Buttercup Mountain
 Buttercup Mountain at 9079 feet (2767 m) above sea level is a peak in the Smoky Mountains of Idaho. The peak is located in Sawtooth National Forest on the border of Blaine and Camas counties. It is located in the watersheds of Willow and Deer creeks. It is about 5.75 mi (9.25 km) northwest of Kelly Mountain and 8.3 mi (13.4 km) southeast of Dollarhide Mountain. No roads or trails go to the summit.