THE CHALLIS LAND BRIEF
Land in the
Dry Intermontane Sagebrush Valleys setting.
Challis city has 1.97 square miles of land in Custer County. Its Census reference point is in Dry Intermontane Sagebrush Valleys, within Middle Rockies.
Forested mountain ranges rise above grassy or shrubby intermountain valleys. The Middle Rockies combine alpine high country, partly wooded foothills and valleys supplied by mountain streams.
Regional context: Middle Rockies ↗ · Classification at the Census reference point
Challis and Custer County
Challis is associated with Custer County in the Census boundary data. Start with the parcel’s tax bill to match the property to that jurisdiction, then confirm which government handles its land use.
Challis by land and water
The Census records 0.03 square miles of water within Challis, or 1.3% of its total area. It is 0.9 percentage points higher than the 0.3% recorded for Custer County. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Challis city has 30.8 times the land area of nearby Clayton city (0.06 square miles). These areas describe boundaries, not comparable property prices.

