The highest elevation on the Unit is at North Peaks, 8500 feet elevation. In the north the Unit is cut by Pole Creek ranging from 5800 feet to 7400 feet. In the south Joe Dahar Creek cuts the Unit running from north to south and ranging from 5800 feet to 7000 feet. On the west side of the Unit Hardesty Creek runs mostly east to west at 5600 feet to 7400 feet. The most common elevation is 6800 feet but ranges from 5600 feet to 8500 feet with an elevation difference of 2900 feet. Fifty percent (50%) of the CWMU elevation ranges between 6700 feet and 7700 feet an elevation difference of 1000 feet.Nearly seventy percent (70%) of the North Peaks Cooperative Wildlife Management Unit (CWMU) is Inter-Mountain Basins Montane Sagebrush Steppe (62). Towards the southwest are areas of Inter-Mountain Basins Big Sagebrush shrubland (48), and towards the south and northwest are areas of Great Basin Pinyon-Juniper Woodland (37). In the Sagebrush Steppe are small patches of Rocky Mountain Aspen Forest and Woodland (22). One of the North Peaks Cooperative Wildlife Mangement Unit (CWMU) nearest weather stations, GROUSE CREEK (423486), is about 9.3 km south from the south edge of the CWMU. GROUSE CREEK has forty-nine (49) years of records, 1959 - 2008. During the FALL (September, October and November) the average precipitation is 2.25 inches, but it can be as high as 4.42 inches or as low as 0.60 inch. During the 91-day FALL period, 16 days will experience greater than or equal to 0.01 inch of precipitation, 7 days of greater than or equal to 0.10 inch, or 1 day of the greater than or equal to 0.50 inch of precipitation. Snowfall during the FALL averages 3.6 inches but can be as high as 21.0 inches. FALL temperature at GROUSE CREEK averages 46.0 degrees F. but can be as high as 97.0 degrees F. or as low as -12.0 degrees F. During the FALL, 54 days will be below freezing (32 degrees F.) and 1 day above 90 degrees F.