diff --git a/concepts/manifests.mdx b/concepts/manifests.mdx
index 86f7a4c6..06c8920c 100644
--- a/concepts/manifests.mdx
+++ b/concepts/manifests.mdx
@@ -290,23 +290,37 @@ If `inventoryActions` is not specified, the system falls back to type-based dete
 {
   "trees": [
     {
-      "id": "tree_normal",
-      "name": "Tree",
+      "id": "oak",
+      "name": "Oak",
       "type": "tree",
       "harvestSkill": "woodcutting",
-      "toolRequired": "bronze_hatchet",
-      "levelRequired": 1,
+      "levelRequired": 15,
       "baseCycleTicks": 4,
       "depleteChance": 0.125,
       "respawnTicks": 80,
+      "modelPath": "asset://trees/oak/oak_01.glb",
+      "modelVariants": [
+        "asset://trees/oak/oak_01.glb",
+        "asset://trees/oak/oak_02.glb",
+        "asset://trees/oak/oak_03.glb"
+      ],
+      "modelScale": 1.2,
       "harvestYield": [
-        { "itemId": "logs", "quantity": 1, "chance": 1.0, "xpAmount": 25 }
+        { "itemId": "oak_logs", "quantity": 1, "chance": 1.0, "xpAmount": 37.5 }
       ]
     }
   ]
 }
 ```
 
+**Tree Model System**:
+- **modelPath**: Primary model for the tree type
+- **modelVariants**: Array of model variants for visual diversity (optional)
+- **modelScale**: Scale multiplier for tree models
+- **LOD support**: Models include LOD levels (_lod1.glb, _lod2.glb) for performance
+- **12 tree types**: bamboo, birch, cactus, chinaPine, coconut, dead, fir, knotwood, maple, oak, palm, pine
+- **Wind pine**: Single-model tree type for tundra biome (uses modelPath only)
+
 **gathering/mining.json** - Ore rocks with OSRS-accurate success rates:
 ```json
 {
diff --git a/concepts/skills.mdx b/concepts/skills.mdx
index 4ab9d3e2..73fe82e1 100644
--- a/concepts/skills.mdx
+++ b/concepts/skills.mdx
@@ -95,9 +95,25 @@ Success rate improves with level. Higher-level trees require higher Woodcutting
 | Normal | 1 | 25 |
 | Oak | 15 | 37.5 |
 | Willow | 30 | 67.5 |
+| Maple | 45 | 100 |
 | Yew | 60 | 175 |
 | Magic | 75 | 250 |
 
+**Available Tree Types** (12 types with visual variants):
+- **Bamboo** - Fast-growing tropical tree
+- **Birch** - Light-colored deciduous tree
+- **Cactus** - Desert vegetation
+- **China Pine** - Asian conifer variant
+- **Coconut** - Tropical palm with coconuts
+- **Dead** - Withered tree variants
+- **Fir** - Evergreen conifer
+- **Knotwood** - Gnarled tree with amber leaves (#C4832A)
+- **Maple** - Deciduous hardwood
+- **Oak** - Classic hardwood tree
+- **Palm** - Tropical palm tree
+- **Pine** - Standard conifer
+- **Wind Pine** - Tundra-specific wind-swept pine (single model)
+
 ### Mining
 
 Requirements:
diff --git a/wiki/data/overview.mdx b/wiki/data/overview.mdx
index 6d8ae1db..9ae00f6d 100644
--- a/wiki/data/overview.mdx
+++ b/wiki/data/overview.mdx
@@ -179,8 +179,55 @@ Each NPC has these properties (from `types/entities/npc-mob-types.ts`):
 **Vegetation**:
 ```
 /assets/trees/
-└── mushroom.glb                 → Giant mushroom (new)
-```
+├── bamboo/
+│   ├── bamboo_01.glb            → Bamboo variant 1 (LOD 0)
+│   ├── bamboo_01_lod1.glb       → Bamboo variant 1 (LOD 1)
+│   ├── bamboo_01_lod2.glb       → Bamboo variant 1 (LOD 2)
+│   └── ... (55 variants × 3 LOD levels)
+├── birch/
+│   ├── birch_01.glb             → Birch variant 1 (LOD 0)
+│   └── ... (variants with LOD levels)
+├── cactus/
+│   ├── cactus_01.glb            → Cactus variant 1 (LOD 0)
+│   └── ... (variants with LOD levels)
+├── chinaPine/
+│   ├── chinaPine_01.glb         → China Pine variant 1 (LOD 0)
+│   └── ... (variants with LOD levels)
+├── coconut/
+│   ├── coconut_01.glb           → Coconut palm variant 1 (LOD 0)
+│   └── ... (variants with LOD levels)
+├── dead/
+│   ├── dead_01.glb              → Dead tree variant 1 (LOD 0)
+│   └── ... (variants with LOD levels)
+├── fir/
+│   ├── fir_01.glb               → Fir tree variant 1 (LOD 0)
+│   └── ... (variants with LOD levels)
+├── knotwood/
+│   ├── knotwood_01.glb          → Knotwood variant 1 (LOD 0)
+│   └── ... (variants with LOD levels)
+├── maple/
+│   ├── maple_01.glb             → Maple variant 1 (LOD 0)
+│   └── ... (variants with LOD levels)
+├── oak/
+│   ├── oak_01.glb               → Oak variant 1 (LOD 0)
+│   └── ... (variants with LOD levels)
+├── palm/
+│   ├── palm_01.glb              → Palm tree variant 1 (LOD 0)
+│   └── ... (variants with LOD levels)
+├── pine/
+│   ├── pine_01.glb              → Pine tree variant 1 (LOD 0)
+│   └── ... (variants with LOD levels)
+├── windPine/
+│   └── windPine.glb             → Wind-swept pine (single model)
+└── mushroom.glb                 → Giant mushroom
+```
+
+**Tree Model System**:
+- **165 tree models** total (55 variants × 3 LOD levels)
+- **12 tree types**: bamboo, birch, cactus, chinaPine, coconut, dead, fir, knotwood, maple, oak, palm, pine
+- **13th type**: windPine (single model for tundra biome)
+- **LOD levels**: LOD 0 (high detail), LOD 1 (medium), LOD 2 (low)
+- **Model variants**: Each tree type has multiple visual variants for diversity
 
 ### NPC Helper Functions
 
@@ -683,6 +730,28 @@ interface VegetationAsset {
 - `fallen_tree` - Fallen logs
 - `mushroom` - Giant mushrooms (added in recent update)
 
+### Biome Configuration
+
+**Active Biomes** (3 biomes):
+- **Tundra** - Cold, snowy terrain with wind pines
+- **Forest** - Temperate woodland with varied tree types
+- **Canyon** - Rocky, arid terrain with steep slopes
+
+**Biome Terrain Textures**:
+Biomes now use dedicated terrain textures for realistic ground rendering:
+- **Grass textures**: Biome-specific grass variants
+- **Dirt textures**: Soil and earth textures
+- **Cliff textures**: Rocky cliff faces
+- **Desert textures**: Sandy terrain
+- **Snow textures**: Snowy ground for tundra
+
+**Walkability Thresholds** (maxSlope adjustments):
+- **Tundra**: 0.8 → 1.8 (allows steeper terrain navigation)
+- **Forest**: 0.8 → 1.5 (moderate slope tolerance)
+- **Canyon**: 0.6 → 2.5 (very steep terrain allowed)
+
+These adjustments match actual terrain generation slopes from terracing and landscape features.
+
 ### Biome Vegetation Layers
 
 Biomes in `biomes.json` define procedural vegetation layers that reference vegetation assets:
@@ -704,9 +773,14 @@ interface VegetationLayer {
 ```
 
 **Recent Updates**:
+- **Tree system overhaul**: 165 tree models added (12 types × variants × 3 LOD levels)
+- **Terrain textures**: Biome-specific textures added for grass, dirt, cliff, desert, and snow
+- **Biome configuration**: Reduced to 3 active biomes (tundra, forest, canyon)
+- **Walkability adjustments**: maxSlope thresholds increased (tundra: 0.8→1.8, forest: 0.8→1.5, canyon: 0.6→2.5)
+- **Tree management**: Trees now managed via TreeTypes.ts + woodcutting.json (removed from vegetation layers)
+- **Wind pine**: New tundra-specific tree type (single model)
+- **Knotwood recolor**: Leaves changed from golden-yellow to warm amber (#C4832A)
 - Mushroom vegetation added to all biomes with varying densities (2-30)
-- Tree density reduced in plains biome (8 → 5)
-- Mushroom clustering varies by biome (cluster size 3-8)
 - Firemaking fire 3D model added (`models/firemaking-fire/firemaking-fire.glb`)
 
 ---