- 33600 acre
*Rough Canyon - 1470 acre
*Ryan Gulch - 1440 acre
*San Luis Hills/Flattop - 29261 acre
*San Miguel River - 20964 acre
*Sheep Creek Uplands - 3900 acre
*Sinbad Valley - 6400 acre
*Slumgullion National Natural Landmark - 1407 acre
*South Beaver Creek - 4565 acre
*South Cathedral Bluffs -