Don Pedro Dam

Don Pedro Dam
Old Don Pedro Dam and reservoir, circa 1925
Official nameOld Don Pedro Dam
LocationTuolumne County, California
Coordinates37°42′45″N 120°24′07″W / 37.7125°N 120.4020°W / 37.7125; -120.4020
Opening date1924; 100 years ago (1924)
Dam and spillways
Type of damConcrete thick arch/gravity
ImpoundsTuolumne River
Height283 ft (86 m)
Length1,000 ft (300 m)
Width (crest)16 ft (4.9 m)
Width (base)170 ft (52 m)
Reservoir
CreatesDon Pedro Reservoir
Total capacity290,400 acre⋅ft (358,200,000 m3)
Power Station
Turbines4
Installed capacity30 MW

The Don Pedro Dam, since 1971 also known as the Old Don Pedro Dam, was a dam across the Tuolumne River in Tuolumne County, California. The structure still exists and is flooded underneath Don Pedro Reservoir, which is formed by the New Don Pedro Dam.