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Misty Mountains Forested Valley

A Light Forest variant of the Misty Mountains

Biome Variants are a feature of the mod that enable greater variation in biome generation without the need to create many similar variations of each base biome. They are generated as a second layer over the biomes themselves, and can alter several terrain features of that biome, most notably height, hilliness, boulders, tree coverage, tree types, and grass and flower coverage. They can also decide whether villages or structures in general can spawn. There are also a small number of more complex variants (such as orchards and vineyards) that have more unique landscapes.

The types of biome variants that can generate in a biome are defined in each biome's .class file (note that sub-biomes will use the same variants as the biome they extend unless the variant list is 'cleared' in the sub-biomes .class file, in which case they are listed below as not having the variant). Some variants are added to biomes in 'sets', for example the 'normal' set found in many biomes across Middle-earth contains the flowers, forest, light forest, steppe, barren steppe, hills and forest hills variants and the 'swamp' set contains swamp upland (once) and swamp lowland (three times) to make uplands less common.

Variants have a defined 'size' (either small, large, all or none) and cannot mix or overlap; that is to say, there is only ever one variant present at any location. In Middle-earth, the current biome variant is shown in the F3 debug screen on the left-hand side along with other biome information.

A complete list of biome variants (grouped by the variant type they extend in the code) and variant sets follows. Note that no biome has all of these, and some, such as Mordor, have none. For biome variants that do not occur in a large number of Middle-earth's biomes, a list of biomes is added to show where these can generate.

Variant setsEdit

There are several 'sets' of biome variants listed in the code that contain a number of variants that are often used together in similar types of biomes. These are used instead of having to list every variant in every biome's file.

Set Variants Occurrence
Normal Flowers, Forest, Light Forest, Steppe, Barren Steppe, Hills, Forest Hills
Normal Oak Flowers, Forest, Light Forest, Steppe, Barren Steppe, Hills, Forest Hills, Dense Oak Forest, Dead Oak Forest, Oak Shrubland
Normal Spruce Flowers, Forest, Light Forest, Steppe, Barren Steppe, Hills, Forest Hills, Dense Spruce Forest, Dead Spruce Forest
Normal Oak & Spruce Flowers, Forest, Light Forest, Steppe, Barren Steppe, Hills, Forest Hills, Dense Oak Forest, Dead Oak Forest, Oak Shrubland, Dense Spruce Forest, Dead Spruce Forest, Dense Oak & Spruce Forest, Dead Oak & Spruce Forest
Normal (No Steppe) Flowers, Forest, Light Forest, Hills, Forest Hills
Normal Oak (No Steppe) Flowers, Forest, Light Forest, Hills, Forest Hills, Dense Oak Forest, Dead Oak Forest, Oak Shrubland
Forest Flowers, Hills, Clearing
Mountains Forest, Light Forest
Swamp Swamp Lowland (3x), Swamp Upland

Common variantsEdit

These variants often appear in a wide range of different biomes.

Name Description Images
Standard The placeholder biome variant. Regions with this variant generate according to the biome's base properties.
GondorStandard

The regular appearance of Gondor.

Flowers A version of the biome with ten times the usual number of flowers. Relatively small.
NorthernWilderlandFlowers

Flowers in the Northern Wilderland.

Light Forest A variant that increases tree coverage by roughly three times and roughly doubles grass coverage. Can be any size.
RhudelLightForest

A light forest in Rhúdel.

Steppe A very flat version of the biome, with few trees and more grass. Relatively large.
Minhiriath Steppe B24

The steppes of Minhiriath.

Barren Steppe Similar to the regular steppe but with less grass and flowers. Structures may generate here more commonly due to the simple terrain and lack of trees. Offers very little cover from any hostile eyes.
BarrenSteppe

The barren steppes of Rohan.

Hills A hillier version of the biome, but not as hilly as the mountain variant. Does not alter the base height of the biome. Can be any size.
Eriador Hills B24

Hills in Eriador, dominating the surrounding woodlands.

Forest Hills A version of the hills variant that also increases tree coverage by roughly three times.
NorthernWilderlandForestedHills

Forested hills in the Northern Wilderland.

Mountains These are basically highlands made up of mountainous areas towering above the surrounding terrain. They are generally open areas with little tree coverage, steep slopes, and fairly flat summits. Sometimes these can cover quite large areas, forming highland regions that hold deep valleys.
Eriador Mountain B24

A view on Eriador highlands.

Lake A lake. Lakes can be many sizes, ranging from small ponds to huge lagoons. They may sometimes have small islands in them. Lakes are usually rare, but the Far Harad Jungle biome generates small lakes very commonly. See below for a quite interesting ᚱᚢᚾᛖ (rune).
BarachoisLarge4

A lake in Gondor near a beach.

River Rivers are special biome variants that replace the vanilla generated river biomes. The mods rivers have a better fit in the biomes where they are generated.
RiverVariant

A river.

Oak Shrubland A version of the biome that adds many short shrubs on the ground.
SemidesertBushland

An oak shrubland in the Half-deserts.

Scrubland/Wasteland variantsEdit

These variants have significantly different surface terrain, with interspersed stone, gravel, sand or leaves dotting the ground. Wastelands are similar but with even less vegetation and more stone and gravel. They are all large variants and no villages can be found within them.

Name Description Images
Scrubland Scrublands are typically areas with very poor, sandy and/or rocky soil. This results in very little tree growth and the vegetation is dominated by low growing scrubs (stunted trees/shrubs) and bushes.
HaradScrubland

Scrubland in the arid savannahs of Far Harad.

Scrubland Hills The scrubland hills are a hillier type of scrubland.
Scrubland Hills - Drúwaith Iaur PB29

Scrubland Hills in Old Púkel Land.

Sand Scrubland Similar to the normal scrubland but with sandstone instead of stone distributed throughout the surface terrain.
Sand Scrubland - Harnennor U36

Sandy scrubland in Harnennor.

Sand Scrubland Hills A hillier version of the sand scrubland.
Sand Scrubland Hills - Harnennor U36

Sandy scrubland hills in Harnennor.

Wasteland Wasteland is a very barren variant where vast stretches of the terrain consist of barren rock. The soil is generally very poor and vegetation is sparse.
Wasteland biome variant - Drúwaith Iaur PB29

A barren wasteland in the Drúwaith Iaur.

Sand Wasteland A version of the wasteland variant with sandstone instead of stone. Only found in Harnennor.
Sand Wasteland - Harnennor U36

A sandy wasteland in Harnennor.

Forested variantsEdit

These variants can add new tree types in addition to making trees eight times more common than usual. They can be any size.

In many cases the forest floors are a patchwork of grassy meadows, podzol and barren dirt.

Name Description Images
Forest A more forested version of the biome. The trees which are generated are the same as those generated by the base biome. A plains-type biome that generates this variant will resemble a typical forest-type biome. A relatively common biome variant.
GondorForest

A Gondorian forest.

Aspen Forest A forest dominated by regular and large Aspen trees.
Aspen forest

An aspen forest.

Birch Forest A forest dominated by regular and large Birch trees.
BirchForestVariant

A birch forest.

Beech Forest A forest dominated by regular and large Beech trees.
BeechForest

A beech forest.

Maple Forest A forest dominated by regular and large Maple trees.
MapleForest

A maple forest in Bree-land.

Larch Forest A forest dominated by Larch trees.
LarchForest

A larch forest in the White Mountains.

Pine Forest A forest dominated by Pine trees.
WoodlandRealmPineForest

A pine forest in the Woodland Realm.

Dense forestsEdit

These variants are similar to regular forest variants (with eight times the biome's normal tree coverage) except slightly hillier and with added larger variants of various tree types (up to and including 'party' trees but not the largest trees of Fangorn or Lothlórien).

Name Description Images
Dense Oak Forest This variant adds 'large' and 'party' oak trees. It can be found in a wide range of biomes as part of several variant 'sets'.
A dense oak forest

A dense oak forest.

Dense Spruce Forest A dense forest with 'mega' spruce trees.
Dense Spruce Forest

A dense spruce forest.

Dense Oak/Spruce Forest A dense forest with added 'large' and 'party' oak trees, as well as 'mega' spruce trees
DenseOakSpruceForest

A dense oak-spruce forest in Wilderland.

Dense Birch Forest A dense forest with added 'large' and 'party' birch trees.
  • Dor-en-Ernil (not the hills sub-biome)
  • Lindon (not the coast, woodlands or tower hills sub-biomes)
Dense birch forest

A dense birch forest.

Dense Lebethron Forest A dense forest with added 'large' and 'party' Lebethron trees. This variant is unique to Ithilien (but not its hills or wasteland sub-biomes)
DenseLebethronForest

A dense Lebethron forest on hilly terrain.

Dense Dark Oak Forest A dense forest with added normal and 'party' dark oak trees. This variant is unique to the Drúwaith Iaur.
DenseDarkOakForest

A dense dark oak forest only found in Old Púkel Land.

Dead forestsEdit

These variants have roughly three times the tree coverage of the normal biome they modify, with half as much grass. They all also add dead trees.

Name Description Images
Dead Oak Forest A version of the biome with added dead oak trees. It can be found in many biomes.
NothernWilderlandDeadOakForest

A dead oak forest in the Northern Wilderland.

Dead Spruce Forest A dead forest with dead spruce trees.
Dead Spruce Forest

A dead spruce forest.

Dead Oak/Spruce Forest A dead forest with both dead oak and spruce trees.
DeadOakSpruceForest

A dead oak/spruce forest in Dale.

Orchard variantsEdit

These relatively small biomes represent the cultivated fruit orchards of Middle-earth. They contain rows of various types of fruit trees, with rows of fences between them. They also have no other trees or structures present.

Name Features Image
Shire Orchard An orchard type exclusive to the Shire, containing apple, pear and (more rarely) cherry trees.
ShireOrchard2

A Shire orchard.

Apple-Pear Orchard An orchard containing apple and pear trees.
ApplePearOrchard

An apple and pear orchard in Rohan.

Orange Orchard An orchard containing orange trees.
OrangeOrchard

Beautiful Sand Gems in an orange orchard in Umbar.

Lemon Orchard An orchard containing lemon trees.
LemonOrchard

Horses graze in a lemon orchard in the Southron Coasts.

Lime Orchard An orchard containing lime trees.
LimeOrchard

Soldiers hunting boars in a lime orchard in the Gulf of Harad.

Almond Orchard An orchard containing almond trees.
AlmondOrchard

An almond orchard in the Gulf of Harad with exotic flowers.

Olive Orchard An orchard containing olive trees.
OliveOrchard

Deer in an olive orchard in the Southron Coasts.

Plum Orchard An orchard containing plum trees.
PlumOrchard

A plum orchard in the Gulf of Harad with Flames of Harad.

Date Palm Orchard An orchard containing date palm trees.
DateOrchard

Soldiers guarding a date palm orchard in the Southron Coasts.

Pomegranate Orchard An orchard containing pomegranate trees. This orchard type is exclusive to Rhúdel (but none of its sub-biomes)
PomegranateOrchard

A pomegranate orchard in Rhúdel with mountaineering sheep.

Exclusive variantsEdit

These biome variants are only found in specific biomes or specific types of biomes.

Name Features Image
Forest Clearing A clearing in the surrounding forest. Only found in biomes with the 'forest' variant set, as well as Taur-i-Thorogrim and Lothlórien.
Eregion Clearing

A forest clearing in Eregion.

Swamp Upland A version of the the biome with fewer pools, higher land generation, and many more trees. Only found in swamp biomes with the 'swamp' variant set.
ShireUpland

Shire marshes upland looks nearly like an ordinary forest.

Swamp Lowland A variant of the biome that is flat and watery, like a vast pool with bits of land and quagmire. Only found in swamp biomes with the 'swamp' variant set, where it is widespread. Note that the Dead Marshes do not use the 'swamp' set and are instead exclusively the lowland variant.
ShireLowland

Shire marshes lowland includes a ruined house and some animals.

Baobab Savannah A variant exclusive to the Far Harad Grasslands (including the arid grasslands/hills sub-biomes but not the forest or Corsair Coasts sub-biomes) with a light forest of Baobab trees.
BaobabForest

The edge of a Baobab savannah.

Red Boulders A variant exclusive to the Near Harad Desert (including the red desert sub-biome but not the desert hills or half-deserts sub-biomes) with boulders made of red sandstone.
Red Boulders Fortress

A Near Harad Fortress (outdated) situated in the red boulder desert.

Rohan Boulders A variant of Rohan with boulders of Rohan rock. This variant is exclusive to Adornland and Rohan (but not the woodlands, Wold or Uruk Highlands sub-biomes).
RohanBoulders

A boulder-strewn plain in Rohan.

Dense Jungle A variant exclusive to the Far Harad Jungle (but not its sub-biomes (jungle edge, jungle lake, jungle mountains or Taurethrim clearing)) with enormous Jungle and Mahogany trees, much larger than those found in other 'dense' variants, in addition to increased tree coverage.
Dense-Forest Tauredain Jungle

The dense jungle.

Vineyard A variant found exclusively in Dorwinion (but not the Emyn Winion sub-biome). It has no trees, flowers or structures, instead being dominated by rows of grapevines with paths between them. This is one of the two places where Grapevines grow and the only place where Vinekeepers and Vinehands can be found.
Sunset Dorwinion

A Dorwinion vineyard at sunset.

Other notable featuresEdit

The terrain generation for the Mod's biomes differs in many respects from that of Vanilla Minecraft. Here are a few notable features that may strike the eye when you're travelling Middle-earth:

  • Forested biomes and biome variants have fallen leaves on the ground to give the impression of leaf litter.
  • The occurrence of clay deposits is more randomised and less clustered (as it is in Vanilla MC).
  • Vegetation is much richer. Some biomes and variants have special, or even unique flowers and, while many biomes and their variants share a large number of types of common vegetation.
  • Many trees and tree variants are added in comparison to Vanilla MC. Some are widespread, some are unique to specific biomes.
  • Apart from the numerous structures created as faction or biome specific builds, there are also a number of structures that generate randomly in a great number of biomes, independent of the biome variants. These are: orc dungeons, stone ruins and a fair number of various smaller stone ruins.
  • Quite a few biomes have unique rock types, like Rohan and the Red Mountains giving these biomes a unique look and feel.
  • The Mod also uses customised code to spawn caves and ravines. You will certainly notice this as travelling greater distances. Lava lakes are generally not present on higher altitudes, except in a few biomes, like Mordor and the Far Harad Volcano biome.
  • Finally, the terrain generation is far more realistic, and more suitable for a Middle-earth themed Mod, than that of Vanilla Minecraft.

TriviaEdit

The anglo-saxon lagu-rune (= letter L) means "lake". Tolkien used those ᚱᚢᚾᛖᛋ for some texts in the initial drafts of "The Lord of the Rings", later on, he replaced them by cirth runes.

The lake seems interminable to men,
if they venture on the rolling bark
and the waves of the lake terrify them
and the courser of the deep heed not its bridle.

Old English rune poem


Biomes of the Lord of the Rings Mod (Sub-biomes in brackets)
List by Alphabet
A-C:

AdornlandAnduin Hills (Gladden Fields, Vales of Anduin) • Angmar (Mountains) • Barrow-downs
Blue Mountains (Foothills) • Bree-land (Chetwood) • Brown LandsColdfells

D-E:

DagorladDaleDead MarshesDor-en-Ernil (Hills) • Dorwinion (Emyn Winion)
Drúwaith IaurDunlandEast BightEmyn MuilEnedwaithEreborEregion
Eriador (Downs, Eryn Vorn, Minhiriath, Swanfleet) • Ettenmoors

F:

Fangorn (Clearing) • Fangorn WastelandFar Harad Bushland (Hills) • Far Harad Cloud Forest
Far Harad Grasslands (Arid, Arid Hills, Corsair Coasts, Forest) • Far Harad Jungle (Edge, Lake, Mountains, Taurethrim Clearing) • Far Harad MangroveFar Harad Swampland
Far Harad VolcanoField of CelebrantForodwaith (Coastline, Mountains, Glacier)

G-K:

Gondor (Andrast, Blackroot Vale, Lamedon (Hills), Lebennin (Mouths of Anduin), Lossarnach (Imloth Melui), Mouths of Entwash, Pelargir, Pelennor Fields, Pinnath Gelin, White Mountains (Foothills))
Grey Mountains (Foothills) • Gulf of Harad (Gulf Forest) • Harad MountainsHarnennor
HarondorIron HillsIthilien (Hills, Wasteland) • Kanuka Forest

L-M:

LakeLast DesertLindon (Coastline, Woodlands, Tower Hills) • Lone-lands (Angle, Weather Hills)
LostladenLothlórien (Eaves) • MidgewaterMirkwood (Dol Guldur, Mountains)
Misty Mountains (Foothills) • Mordor (Eastern Desolation, Gorgoroth, Mordor Mountains, Morgulduin, Morgul Vale, Nan Ungol, Nurn (Marshes, Sea of Nurnen), Udûn) • Mountains of the Wind (Foothills)

N-S:

Nan CurunírNindalfNorthern MirkwoodNorthlands (Northern Forests) • Old Forest
PerdorogwaithRed Mountains (Foothills) • Rhúdel (Eryn Garan, Eryn Rhúnaer, Hills, Steppe
Tol Rhúnaer) • Rhûn (Forest) • Rivendell (Hills) • RiverRohan (Woodlands, The Wold, Uruk Highlands)
Southron Coasts (Harad Desert Riverbank, Near Harad Oasis, Southron Forests)

T-W:

Taur-i-ThorogrimThe Great Desert (Hills, Half-deserts, Red Desert) • The Sea (Beach, Island, Meneltarma) • The Shire (Marshes, Moors, Woodlands, White Downs) • TolfalasTrollshaws
Umbar (Forest, Hills) • UtumnoWilderland (Northern, Long Marshes) Woodland Realm (Hills)

List by Region
Eriador:

Angmar (Mountains) • Barrow-downsBlue Mountains (Foothills) • Bree-land (Chetwood)
ColdfellsDunlandEnedwaithEregionEriador (Downs, Eryn Vorn, Minhiriath, Swanfleet)
EttenmoorsLindon (Coastline, Woodlands, Tower Hills) • Lone-lands (Angle, Weather Hills)
MidgewaterNan CurunírOld ForestRivendell (Hills)
The Shire (Marshes, Moors, Woodlands, White Downs) • Trollshaws


Rhovanion:

Anduin Hills (Gladden Fields, Vales of Anduin) • Brown LandsDagorladDale
Dead MarshesEast BightEmyn MuilEreborField of CelebrantFangorn (Clearing)
Fangorn WastelandGrey Mountains (Foothills) • Iron HillsLothlórien (Eaves)
Mirkwood (Dol Guldur, Mountains) • Misty Mountains (Foothills) • NindalfNorthern Mirkwood
Wilderland (Northern, Long Marshes) • Woodland Realm (Hills)


The South:

AdornlandDor-en-Ernil (Hills) • Drúwaith IaurGondor (Andrast, Blackroot Vale, Lamedon (Hills), Lebennin (Mouths of Anduin), Lossarnach (Imloth Melui), Mouths of Entwash, Pelargir, Pelennor Fields, Pinnath Gelin, White Mountains (Foothills)) • HarondorIthilien (Hills, Wasteland)
Mordor (Eastern Desolation, Gorgoroth, Mordor Mountains, Morgulduin, Morgul Vale, Nan Ungol, Nurn (Marshes, Sea of Nurnen), Udûn) • Rohan (Woodlands, The Wold, Uruk Highlands) • Tolfalas


Harad:

Far Harad Bushland (Hills) • Far Harad Cloud ForestFar Harad Grasslands (Arid, Arid Hills, Corsair Coasts, Forest) • Far Harad Jungle (Edge, Lake, Mountains, Taurethrim Clearing)
Far Harad MangroveFar Harad SwamplandFar Harad VolcanoGulf of Harad (Gulf Forest)
Harad MountainsHarnennorKanuka ForestLostladenPerdorogwaith
Southron Coasts (Harad Desert Riverbank, Near Harad Oasis, Southron Forests)
Taur-i-ThorogrimThe Great Desert (Hills, Half-deserts, Red Desert) • Umbar (Forest, Hills)


Rhûn:

Dorwinion (Emyn Winion) • Last DesertMountains of the Wind (Foothills) • Red Mountains (Foothills) • Rhúdel (Eryn Garan, Eryn Rhúnaer, Hills, Steppe, Tol Rhúnaer) • Rhûn (Forest)


Forod:

Forodwaith (Coastline, Mountains, Glacier) • Northlands (Northern Forests) • Utumno


Belegaer:

The Sea (Beach, Island, Meneltarma)

Types

DesertsForestsIslandsMountainsSwampsVariants

Start a Discussion Discussions about Region Variants

  • Better Biome Hues

    12 messages
    • High King Ithilion wrote: [....] Many different biomes have specific grass colors--some even incorrect according to the lore, such as Ro...
    • Durrandir the Black wrote:High King Ithilion wrote: [....] Many different biomes have specific grass colors--some even incorrect according to ...
  • Border Rivers - Terrain Generation

    13 messages
    • Yeah, so a change in the river gen algorithm would be needed in order to fix this bug. {{User:SamwiseFilmore/sig}}
    • ''Recneps wrote: They're not generating like roads. Roads don't generate based on the map, rivers do.'' Th...
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