Hyalite Reservoir

Hyalite Reservoir is a reservoir located in southwest Montana, formed by Middle Creek Dam on Hyalite Creek.[1] The lake is situated in Hyalite Canyon at an elevation of 6,699 ft (2,042 m), about 12 miles (19 km) south of Bozeman, Montana and 25 miles (40 km) north of Yellowstone National Park. It was originally built in the 1940s and was expanded to its current size in 1993.[2] Originally known as Middle Creek Reservoir, the name was changed in the late 1960s.[3]

Hyalite Reservoir
Hyalite Reservoir
Location of the reservoir in Montana, USA.
Location of the reservoir in Montana, USA.
Hyalite Reservoir
Location of the reservoir in Montana, USA.
Location of the reservoir in Montana, USA.
Hyalite Reservoir
LocationGallatin County, Montana,
United States
Coordinates45.4807°N 110.9676°W / 45.4807; -110.9676
Primary inflowsHyalite Creek
Primary outflowsHyalite Creek
Basin countriesUnited States
Max. length1.5 miles (2.4 km)
Max. width.3 miles (0.48 km)
Surface area490 acres (200 ha)
Max. depth126 ft (38 m)
Water volume4.43614×10+8 cubic feet (1.25617×107 m3)
Surface elevation6,699 ft (2,042 m)

Geography

Hyalite Reservoir is located in the southwest corner of the state of Montana, approximately 12 miles (19 km) south of Bozeman and 10.5 miles (16.9 km) up Hyalite Canyon. The lake sits at the northern end of the Gallatin Range, just south of the Gallatin Valley.

At normal full pool, the lake has a volume of 4.43614×10+8 cubic feet (1.25617×107 m3) and an area of 206 acres (83 ha), which experiences high seasonal variation.[4] When at maximum capacity, the lake is approximately 1.5 miles (2.4 km) miles long and .3 miles (0.48 km) wide. The reservoir reaches depths of 126 feet (38 m).

Recreation

Hyalite Reservoir and the surrounding area offer many recreational activities including camping, fishing, boating, and hiking. There are two campgrounds, Chisolm and Hood Creek. Motorized boating is allowed on Hyalite Reservoir with a "no wake" rule for the entire reservoir.[5]

References
  1. "Middle Creek Dam (Hyalite): Fact Sheet" (PDF). Retrieved 2020-07-11.
  2. U.S. Geological Survey Geographic Names Information System: Hyalite Reservoir
  3. Bergan, Joshua (2017). Flyfisher's Guide to Southwest Montana's Mountain Lakes (1st ed.). Belgrade, MT: Wilderness Adventure Press. p. 75. ISBN 9781940239125.
  4. "Middle Creek Dam (Hyalite): Fact Sheet" (PDF). Retrieved 2020-07-11.
  5. "Hyalite Reservoir". Visit Montana. Retrieved 10 July 2020.


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