Challis URL: https://knowledge.ivjn.us/en/places/id-challis.html Challis is a town in Idaho, United States. ## Overview Challis is a town in [Idaho](https://knowledge.ivjn.us/en/places/idaho.html), United States, with a population of about 1,043[^geonames]. ## Geography - Coordinates: 44.5046, -114.2317 Updated: 2026-10-29 Relations: - Located in: Custer County https://knowledge.ivjn.us/en/places/id-custer-county.html Sources: - GeoNames US dataset (US.txt / admin2Codes.txt) https://download.geonames.org/export/dump/US.zip