Crook County, Oregon,|
|Primary inflows||Crooked River, Bear Creek, Sanford Creek, Deer Creek, Alkali Creek, Antelope Creek, Owl Creek|
|Primary outflows||Crooked River|
|Catchment area||2,635 sq mi (6,825 km2)|
|Basin countries||United States|
|Surface area||3,030 acres (12 km2)|
|Max. depth||130 ft (39.6 m)|
|Water volume||150,200 acre⋅ft (185,300,000 m3)|
|Shore length1||43 mi (69.2 km)|
|Surface elevation||3,257 ft (993 m)|
|1 Shore length is not a well-defined measure.|
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The Prineville Reservoir is located in the high desert hills of Central Oregon, Oregon, United States. The reservoir is on the Crooked River located 14 miles (22.5 km) southeast of Prineville, OR, and 29 miles (46.7 km) east of Bend, Oregon . This reservoir is a popular retreat for most of Central Oregon. It is located near the geographic center of Oregon, and Prineville Reservoir State Park is managed by the Oregon Parks and Recreation Department.
Prineville Reservoir was created by damming, via the Arthur R. Bowman Dam, the Crooked River upstream from Prineville, Oregon. The reservoir is part of the U.S. Bureau of Reclamation's Crooked River Project, flooding a juniper and sagebrush filled canyon, and was finished in 1961. The dam and reservoir are owned by the Bureau of Reclamation, and operated under contract by Ochoco Irrigation District. Prineville Reservoir covers 18 miles (29 km) of the Crooked River and is primarily an irrigation storage water body, with secondary objectives of Crooked River flood control and public recreation. Prineville Reservoir has a maximum depth of 130 feet (40 m) and storage of just over 150,000 acre feet (190,000,000 m3) of water.
The northeast end of Prineville Reservoir is a designated wildlife management area; these 3,800 acres (15 km2) of both land and water provide a refuge for wildlife.
There is no speed limit on the lake and so boating of all kinds is very popular. Water skiing, wakeboarding and tubing are some of the most common sports and about half of the boats on the lake are there for this purpose. There is a marina with a boat ramp.
There are two state parks that allow camping, Prineville Reservoir State Park, and Jasper Point State Park. Both have facilities and offer RV hookups. There is also a privately owned resort that rents cabins, offers campsites (with hookups), maintains a boat ramp and marina, and also owns a general store and restaurant.
Prineville Reservoir is a popular place to see waterfowl, shorebirds, and birds of prey in one setting. Spring and fall migrations bring common loon, while in summer blue-winged teal, cinnamon teal, spotted sandpiper, American avocet, and black-necked stilt. Also seen is the bald eagle, golden eagle, osprey, prairie falcon, and red-tailed hawk, black-throated gray warbler, pinyon jay, and ash-throated flycatcher. Willow shrubbery may hold orange-crowned warbler and gray catbird.
Non-avian wildlife in the area include bats, black bear, coyotes, red fox, gray fox, bobcat, lynx, mountain lion, mule deer, elk, black tailed deer, pronghorn, badger, striped skunk, spotted skunk, porcupine, rockchuck, rabbits, squirrels, chipmunks, raccoons, snakes, and other assorted small mammals, reptiles, and amphibians.
- U.S. Geological Survey Geographic Names Information System: Prineville Reservoir