Trout numbers at historic lows in Big Hole River

Recent data from three sections of the 153-mile freestone river in southwest Montana showed the fewest number of brown and rainbow trout since data was first collected in 1969.

Decline Of Brown Trout Fish Population Raises Concern Over Pollution And Low River Flows

Heat and drought point to trouble ahead for Montana's trout

Save Wild Trout

Experts search for answers as trout population declines in southwest MT

Trout Are Mysteriously Dying in Montana. No One's Sure Why

Gianforte hears from anglers, ranchers on problems facing rivers, trout in Jefferson Basin • Daily Montanan

Montana PBS: Trout Decline - The Problems & Solutions

Give a Big Hand for the Big Hole by Montana Outdoors - Issuu

Continued peril: Big Hole River trout numbers hit historic lows - Montana Untamed

Declining trout population prompts research and advocacy push

FWP Commission Changes Brown Trout Season On The Big Hole, 56% OFF