Lucky Peak Dam is a rolled earthfill dam about 250 feet above the streambed and 1,700 feet long at the crest. The spillway, located on the left abutment, has a 600 foot long, free-overflow concrete ogee crest. The outlet works, located in the left abutment, consist of a 23-foot diameter tunnel with six slide gates and one hollow jet valve. There are two 10 foot by 23-foot Broome-type emergency gates located in the intake tower.
Since completion of the dam in the mid 1950’s, Lucky Peak Lake has offered a variety of recreational and natural resource benefits.
Located just 15 minutes from Boise’s greater urban area, Lucky Peak Lake experiences great and diverse pressures from a broad spectrum of visitors. Managing nearly 8,000 acres of public lands and waters in a manner that promotes multiple and diverse uses while minimizing conflicts is a privilege and a challenge our team gratefully accepts and continuously works to improve. As host to nearly one million visits each year, Lucky Peak Lake can’t be everything to everyone, but looking at its potential in a regional context, mindful of our strengths and resource limitations, we strive to deliver certain opportunities with excellence.