diff --git a/pumpkin-world/src/biome.rs b/pumpkin-world/src/biome.rs
new file mode 100644
index 000000000..3196e6ed6
--- /dev/null
+++ b/pumpkin-world/src/biome.rs
@@ -0,0 +1,9 @@
+use serde::{Deserialize, Serialize};
+
+// TODO make this work with the protocol
+#[derive(Serialize, Deserialize, Clone, Copy)]
+#[non_exhaustive]
+pub enum Biome {
+    Plains,
+    // TODO list all Biomes
+}
diff --git a/pumpkin-world/src/lib.rs b/pumpkin-world/src/lib.rs
index b204eef2b..56462faf8 100644
--- a/pumpkin-world/src/lib.rs
+++ b/pumpkin-world/src/lib.rs
@@ -1,5 +1,6 @@
 use level::Level;
 
+pub mod biome;
 pub mod block;
 pub mod chunk;
 pub mod coordinates;