diff --git a/regions/mesa.json b/regions/mesa.json
index 6fee9193..859a1a38 100644
--- a/regions/mesa.json
+++ b/regions/mesa.json
@@ -38,6 +38,16 @@
             "rarity": 36
         }
     ],
+    "landBiomes": [
+        "hot-mesa",
+        "hot-mesa-plateau",
+        "hot-mesa-plateau-high",
+        "hot-mesa-valleys",
+        "hot-mesa-cliffs"
+    ],
+    "caveBiomes": [
+        "temperate-old-cavern"
+    ],
     "biomeImplosionRatio": 0.75,
     "riverStyle": {
         "style": "VASCULAR",
@@ -65,7 +75,7 @@
         }
     ],
     "riverRarity": 1,
-    "landBiomeZoom": 0.85,
+    "landBiomeZoom": 1.5,
     "shoreHeightMin": 4,
     "shoreHeightMax": 6,
     "shoreHeightZoom": 1.14,