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Place Name
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Henrys Fork
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Place Status (Type)
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river
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Location
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Fremont County, Idaho (ID), United States, North America
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Latitude
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unknown
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Longitude
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unknown
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Henrys Fork
, river, c.110 mi/177 km
long, SE Idaho; rises in Henrys L. (
8 sq mi/20.7 sq km;
4 mi/6.4 km long,
2 mi/3.2 km wide), near Mont. state line and
Continental Divide, N Fremont co., in Targhee Natl. Forest; flows S
through Island Park Reservoir, over Upper Mesa and Lower Mesa Falls
(114 ft/35 m) and SW, past St. Anthony, to
Snake R. 10 mi/16 km SW of Rexburg. Island
Park Dam (91 ft/28 m high,
9,448 ft/2,880 m long; completed 1938) is in
upper course near Island Park. Used in irrigation of upper Snake R.
valley; impounds Island Park L. (12 mi/19 km
long).
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