diff --git a/workspace/R/ExCONUS_config.R b/workspace/R/ExCONUS_config.R
index 37ea5fc72f7334406584634890ab8b4a9a39ba21..9888dbf9c8383530ad4782b9e48b3bf2d36c54c7 100644
--- a/workspace/R/ExCONUS_config.R
+++ b/workspace/R/ExCONUS_config.R
@@ -25,6 +25,8 @@ if(vpu == "20"){
   min_da_km <- 5
   split_meters <- 2500
   combine_meters <- 500
+  elev_diff <- 300
+  max_elev_DA <- 1.5
 } else {
   # Cusomizations for AK
   crs <- 3338