Press F3 to open the debug screen
Look for the biome name on the right side of the screen
Check the line labeled Biome
Read the biome ID shown there
Use the F3 screen while standing in the area you want to identify
Press F3 to open the debug screen
Look for the biome name on the right side of the screen
Check the line labeled Biome
Read the biome ID shown there
Use the F3 screen while standing in the area you want to identify