Road Over Hells Canyon Dam Closed July 18-20

OXBOW, Oregon — The road over Hells Canyon Dam will be closed to all traffic from 6 a.m.–5:30 p.m. MDT on Tuesday, July 18, and 8 a.m.–5:30 p.m. on Wednesday and Thursday of next week (July 19–20). A crane on top of the dam will be needed to move equipment, which requires the road to be closed. Flaggers at the dam will alert motorists.

The road will open to allow traffic to cross twice each day: 10:30–11:15 a.m., and 2:30–3:15 p.m. MDT. Motorists should plan to cross during these times, or before or after the closure periods. All Idaho Power operations in Hells Canyon are conducted on Mountain Time.

Located 21 miles downstream of Oxbow Dam, Idaho Power’s Hells Canyon Dam began generating electricity in 1967 and has a nameplate generating capacity of 391,500 kilowatts.

About Idaho Power:
Idaho Power, headquartered in Boise, Idaho, and locally operated since 1916, is an electric utility that employs more than 2,000 people who serve approximately 535,000 customers throughout a 24,000-square-mile area in southern Idaho and eastern Oregon. With 17 low-cost hydroelectric projects as the core of its diverse generation portfolio, Idaho Power’s residential, business and agricultural customers pay among the nation’s lowest rates for electricity. IDACORP, Inc (NYSE: IDA), Idaho Power’s independent publicly traded parent company, is also headquartered in Boise, Idaho. To learn more, visit or

Brad Bowlin
Communication Specialist
Idaho Power