diff --git a/config/RTG/biomes/atg.cfg b/config/RTG/biomes/atg.cfg
index 3147886f5..bb4177756 100644
--- a/config/RTG/biomes/atg.cfg
+++ b/config/RTG/biomes/atg.cfg
@@ -26,8 +26,8 @@ biomes {
     #  [default: true]
     B:"Generate ATG Tundra"=true
 
-    #  [default: false]
-    B:"Generate ATG Volcano"=false
+    #  [default: true]
+    B:"Generate ATG Volcano"=true
 
     #  [default: true]
     B:"Generate ATG Woodland"=true
diff --git a/config/RTG/biomes/biomesoplenty.cfg b/config/RTG/biomes/biomesoplenty.cfg
index 7c4911a9d..ceff32c3e 100644
--- a/config/RTG/biomes/biomesoplenty.cfg
+++ b/config/RTG/biomes/biomesoplenty.cfg
@@ -65,6 +65,9 @@ biomes {
     #  [default: true]
     B:"Generate BOP Dense Forest"=true
 
+    #  [default: true]
+    B:"Generate BOP Dry River"=true
+
     #  [default: true]
     B:"Generate BOP Eucalyptus Forest"=true
 
@@ -116,6 +119,9 @@ biomes {
     #  [default: true]
     B:"Generate BOP Lush Desert"=true
 
+    #  [default: true]
+    B:"Generate BOP Lush River"=true
+
     #  [default: true]
     B:"Generate BOP Lush Swamp"=true
 
@@ -218,8 +224,8 @@ biomes {
     #  [default: true]
     B:"Generate BOP Tundra"=true
 
-    #  [default: false]
-    B:"Generate BOP Volcano"=false
+    #  [default: true]
+    B:"Generate BOP Volcano"=true
 
     #  [default: true]
     B:"Generate BOP Wasteland"=true
@@ -293,6 +299,9 @@ villages {
     #  [default: true]
     B:"Allow villages to generate in BOP Dense Forest"=true
 
+    #  [default: false]
+    B:"Allow villages to generate in BOP Dry River"=false
+
     #  [default: true]
     B:"Allow villages to generate in BOP Eucalyptus Forest"=true
 
@@ -344,6 +353,9 @@ villages {
     #  [default: true]
     B:"Allow villages to generate in BOP Lush Desert"=true
 
+    #  [default: false]
+    B:"Allow villages to generate in BOP Lush River"=false
+
     #  [default: true]
     B:"Allow villages to generate in BOP Lush Swamp"=true
 
@@ -521,6 +533,9 @@ weights {
     #  [range: 0 ~ 100, default: 8]
     I:"Weight of BOP Dense Forest"=8
 
+    #  [range: 0 ~ 100, default: 0]
+    I:"Weight of BOP Dry River"=0
+
     #  [range: 0 ~ 100, default: 8]
     I:"Weight of BOP Eucalyptus Forest"=8
 
@@ -572,6 +587,9 @@ weights {
     #  [range: 0 ~ 100, default: 8]
     I:"Weight of BOP Lush Desert"=8
 
+    #  [range: 0 ~ 100, default: 0]
+    I:"Weight of BOP Lush River"=0
+
     #  [range: 0 ~ 100, default: 8]
     I:"Weight of BOP Lush Swamp"=8
 
diff --git a/config/RTG/biomes/enhancedbiomes.cfg b/config/RTG/biomes/enhancedbiomes.cfg
index 2f7a85f01..cdbd1cee2 100644
--- a/config/RTG/biomes/enhancedbiomes.cfg
+++ b/config/RTG/biomes/enhancedbiomes.cfg
@@ -248,11 +248,11 @@ biomes {
     #  [default: true]
     B:"Generate EB Tundra"=true
 
-    #  [default: false]
-    B:"Generate EB Volcano"=false
+    #  [default: true]
+    B:"Generate EB Volcano"=true
 
-    #  [default: false]
-    B:"Generate EB Volcano M"=false
+    #  [default: true]
+    B:"Generate EB Volcano M"=true
 
     #  [default: true]
     B:"Generate EB Wastelands"=true
diff --git a/config/RTG/biomes/highlands.cfg b/config/RTG/biomes/highlands.cfg
index dbf0e6f00..c0f19a5d9 100644
--- a/config/RTG/biomes/highlands.cfg
+++ b/config/RTG/biomes/highlands.cfg
@@ -125,8 +125,8 @@ biomes {
     #  [default: true]
     B:"Generate HL Valley"=true
 
-    #  [default: false]
-    B:"Generate HL Volcano Island"=false
+    #  [default: true]
+    B:"Generate HL Volcano Island"=true
 
     #  [default: true]
     B:"Generate HL Windy Island"=true