Challis National Park References Challis National Park park, Idaho, United States Ask Anything Homework Help Written by The Information Architects of Encyclopaedia Britannica The Information Architects maintain a master list of the topics included in the corpus of Encyclopædia Britannica, and create and manage the relationships between them. The Information Architects of Encyclopaedia Britannica Britannica AI Ask Anything Learn about this topic in these articles: Borah Peak…from Idaho, is located in Challis National Forest, 50 miles (80 km) northeast of Hailey. The peak lies in a tectonically active district, and in 1983 it was the epicentre of an earthquake that measured 7.2 on the Richter scale. Read More…from Idaho, is located in Challis National Forest, 50 miles (80 km) northeast of Hailey. The peak lies in a tectonically active district, and in 1983 it was the epicentre of an earthquake that measured 7.2 on the Richter scale. Read More