Fish Lake is a reservoir located above sea level in Jackson County, Oregon, United States. It is northeast of Medford. Originally a natural lake, it was enlarged by the tall Fish Lake Dam, which impounds the north fork of Little Butte Creek, in the Rogue River watershed.

Geology

Fish Lake is located between two volcanoes:

Mount McLoughlin Mount McLoughlin is a dormant steep-sided stratovolcano, or composite volcano, in the Cascade Range of southern Oregon and within the United States Sky Lakes Wilderness. It is one of the volcanic peaks in the Cascade Volcanic Arc, within the Hi ...

to the north and Brown Mountain to the south. Two-thousand-year-old andesite lava flows erupted from Brown Mountain surround Fish Lake's southern shore.

History

Fish Lake was originally a small natural lake. In 1898, the Fish Lake Water Company was established to help

irrigate Irrigation (also referred to as watering) is the practice of applying controlled amounts of water to land to help grow crops, landscape plants, and lawns. Irrigation has been a key aspect of agriculture for over 5,000 years and has been develop ...

the Rogue Valley. The company proposed to enlarge Fish Lake and nearby Fourmile Lake for added water storage. The temporary Fish Lake Dam was constructed between 1902 and 1908. In 1906, Fourmile Lake Dam was constructed. The two lakes were connected in 1915 by the

Cascade Canal The Cascade Canal is a canal located in Klamath and Jackson counties, in the U.S. State of Oregon. It delivers water from Fourmile Lake in the Klamath River watershed over the Cascade Divide to Fish Lake in the Rogue River watershed. It diverts ...

, bringing water from Fourmile Lake in the

Klamath River The Klamath River (Karuk: ''Ishkêesh'', Klamath: ''Koke'', Yurok: ''Hehlkeek 'We-Roy'') flows through Oregon and northern California in the United States, emptying into the Pacific Ocean. By average discharge, the Klamath is the second larges ...

watershed over the

Cascade Cascade, Cascades or Cascading may refer to: Science and technology Science *Cascade waterfalls, or series of waterfalls * Cascade, the CRISPR-associated complex for antiviral defense (a protein complex) * Cascade (grape), a type of fruit * Bioc ...

Divide to Fish Lake, to supplement Little Butte Creek. The temporary dam was replaced by a permanent

earthfill dam A dam is a barrier that stops or restricts the flow of surface water or underground streams. Reservoirs created by dams not only suppress floods but also provide water for activities such as irrigation, human consumption, industrial use, ...

. The dam was modified again in 1922. In 1955, a new spillway was constructed. An auxiliary spillway was added in 1996. The lake is now about three times its original size.

Statistics

Fish Lake has an average surface area of , an average volume of , and a drainage basin. It has an average depth of , and a maximum depth of . Fish Lake Dam stands tall and long.

Fauna

Rainbow trout The rainbow trout (''Oncorhynchus mykiss'') is a species of trout native to cold-water tributaries of the Pacific Ocean in Asia and North America. The steelhead (sometimes called "steelhead trout") is an anadromous (sea-run) form of the coasta ...

and

brook trout The brook trout (''Salvelinus fontinalis'') is a species of freshwater fish in the char genus ''Salvelinus'' of the salmon family Salmonidae. It is native to Eastern North America in the United States and Canada, but has been introduced elsewhere ...

are common in the lake. Osprey and

eagle Eagle is the common name for many large birds of prey of the family Accipitridae. Eagles belong to several groups of genera, some of which are closely related. Most of the 68 species of eagle are from Eurasia and Africa. Outside this area, just ...

s have been spotted in the area.

Recreation

The Pacific Crest Trail passes by Fish Lake's eastern shore. Three

campground A campsite, also known as a campground or camping pitch, is a place used for camping, overnight stay in an outdoor area. In British English, a ''campsite'' is an area, usually divided into a number of pitches, where people can camp overnight u ...

s are located around the lake. Popular activities include fishing, swimming, and

boating Boating is the leisurely activity of travelling by boat, or the recreational use of a boat whether Motorboat, powerboats, Sailing, sailboats, or man-powered vessels (such as rowing and paddle boats), focused on the travel itself, as well as sp ...

References