Jewel Mountain is located 29 miles (47 km) southeast of Anchorage and 7.5 miles (12.1 km) north of Girdwood in the Chugach Mountains, on land managed by Chugach National Forest.

Topographic relief is significant as the summit rises approximately 1,800 feet (550 m) above Crow Creek in 0.4 miles (0.64 km).

The Iditarod National Historic Trail traverses the west slope of the mountain.

[1] Based on the Köppen climate classification, Jewel Mountain is located in a subarctic climate zone with long, cold, snowy winters, and cool summers.

[5] Weather systems coming off the Gulf of Alaska are forced upwards by the Chugach Mountains (orographic lift), causing heavy precipitation in the form of rainfall and snowfall.