The REF in the debug panel is spiking. I did the one thing I should have done first and test the map with the reflection off... Sure enough. Your right, Iglarion. But the map contains the same models/setup as the maps that run at high frame rates. An MDL terrain with a 1024x texture tiling over it. Tree, grass, and border (cluster of trees in one file), as well as some WED blocks for entrance and exits. Very weird.