diff --git a/biomes/mountains-plains-hills.json b/biomes/mountain-plain-hills.json
similarity index 100%
rename from biomes/mountains-plains-hills.json
rename to biomes/mountain-plain-hills.json
diff --git a/biomes/mountain-plains.json b/biomes/mountain-plains.json
index e361357c..6f198f1b 100644
--- a/biomes/mountain-plains.json
+++ b/biomes/mountain-plains.json
@@ -5,6 +5,8 @@
     "children": [
         "mountain-forest",
         "mountain-hills",
+        "mountains-plains-hills",
+        "mountain-lake",
         "mountain-forest-hills"
     ],
     "childStyle": {
diff --git a/regions/mountain.json b/regions/mountain.json
index 6ee48fe7..fcab7695 100644
--- a/regions/mountain.json
+++ b/regions/mountain.json
@@ -20,9 +20,11 @@
     ],
     "landBiomes": [
         "mountain",
+        "mountain-hills",
+        "mountain-forest-hills",
+        "mountain-forest",
         "mountain-plains",
-        "mountain-plains",
-        "mountain-plains",
+        "mountain-cliffs",
         "mountain"
     ],
     "biomeImplosionRatio": 0.25,
diff --git a/regions/mountains.json b/regions/mountains.json
deleted file mode 100644
index 99e8c39e..00000000
--- a/regions/mountains.json
+++ /dev/null
@@ -1,114 +0,0 @@
-{
-    "name": "Mountains",
-    "landBiomes": [
-        "mountains-plains",
-        "mountain-main",
-		"temperate-lake"
-    ],
-    "seaBiomes": [
-	"temperate-soft-river",
-	"temperate-river-loud"
-    ],
-    "biomeImplosionRatio": 0.7,
-    "shoreBiomes": [
-        "mountain-beach"
-    ],
-    "caveBiomes": [
-        "tundra-spiked-cavern",
-        "temperate-lit-cavern"
-    ],
-    "objects": [
-        {
-            "name": "standard-surface-portals",
-            "chance": 0.001,
-            "place": [
-                "ruined_portal/giant_portal_1",
-                "ruined_portal/giant_portal_2",
-                "ruined_portal/giant_portal_3",
-                "ruined_portal/portal_1",
-                "ruined_portal/portal_2",
-                "ruined_portal/portal_3",
-                "ruined_portal/portal_4",
-                "ruined_portal/portal_5",
-                "ruined_portal/portal_6",
-                "ruined_portal/portal_7",
-                "ruined_portal/portal_8",
-                "ruined_portal/portal_9",
-                "ruined_portal/portal_10"
-            ],
-            "edit": [
-                {
-                    "find": [
-                        {
-                            "block": "gold_block"
-                        }
-                    ],
-                    "replace": {
-                        "palette": [
-                            {
-                                "block": "air"
-                            }
-                        ]
-                    },
-                    "chance": 0.1
-                },
-                {
-                    "find": [
-                        {
-                            "block": "netherrack"
-                        }
-                    ],
-                    "replace": {
-                        "palette": [
-                            {
-                                "block": "magma_block"
-                            }
-                        ]
-                    },
-                    "chance": 0.07
-                },
-                {
-                    "find": [
-                        {
-                            "block": "obsidian"
-                        }
-                    ],
-                    "replace": {
-                        "palette": [
-                            {
-                                "block": "crying_obsidian"
-                            }
-                        ]
-                    },
-                    "chance": 0.15
-                },
-                {
-                    "find": [
-                        {
-                            "block": "lava"
-                        }
-                    ],
-                    "replace": {
-                        "palette": [
-                            {
-                                "block": "magma_block"
-                            }
-                        ]
-                    },
-                    "chance": 0.20
-                }
-            ],
-            "mode": "VACUUM",
-            "carvingSupport": "SURFACE_ONLY"
-        }
-    ],
-    "riverStyle": {
-        "style": "VASCULAR",
-        "zoom": 4.77,
-        "fracture": {
-            "multiplier": 240,
-            "style": "IRIS",
-            "zoom": 5
-        }
-    }
-}