Henrys Fork

Recently voted the top coldwater fishery in America by members of Trout Unlimited, the Henrys Fork (also known as the North Fork of the Snake) is revered by anglers from around the world for its amazingly productive wild rainbow trout fishery between Island Park Dam and St. Anthony. Henrys Lake, whose outlet empties into the upper Henrys Fork, attracts a cult following of anglers in search of giant rainbow/cutthroat trout hybrids that can reach lengths of 30 inches or more. In addition to its notoriety as a legendary wild trout fishery, the Henrys Fork corridor serves as one of the richest wildlife habitats in all of Greater Yellowstone. The upper reach between Henrys Lake and Island Park Reservoir is home to grizzly bears, wolves, moose, elk, and deer. The lower reach downstream from St. Anthony is known for its abundant populations of bald eagles, ospreys, blue herons, and other bird life.

Major threats to the Henrys Fork come from its numerous dams, which have altered the river’s natural flow regime, and increased riverside development around Island Park, which degrades water quality, eliminates valuable wildlife habitat, and diminishes scenery. GYC is working with a new local citizens group (Island Park Advocates for Responsible Development) to convince local elected officials to implement new planning and zoning regulations that will keep development away from riverbanks and other sensitive wetland habitats.

FISHING REPORTS		STREAM FLOWS

What is Greater Yellowstone Coalition doing to protect the Henry's Fork?

Chester Diversion Dam Hydroelectric Project - In 2001, when a local power company proposed placing two hydroelectric power generating turbines in the lower Henry's Fork GYC and local fishermen feared for the future of this world famous river. Now, in 2008, a deal has been struck and hope is on the horizon.

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Top Photo: Scott Bosse; Inset: Scott Bosse