Old Hyndman Peak, at 11,775 feet (3,589 m) above sea level, is the eighth-highest peak in the Pioneer Mountains of the U.S. state of Idaho.The peak is located on the border of Sawtooth and Salmon-Challis National Forests as well as Blaine and Custer counties.It is the 27th-highest peak in Idaho and about 0.9 mi (1.4 km) southeast of Hyndman Peak and 0.8 mi (1.3 km) northeast of Cobb Peak.This Blaine County, Idaho state location article is a stub.You can help Wikipedia by expanding it.This Geographical stub article in Custer County, Idaho is a stub.