Sinclair, Wyoming. A famed stretch of the North Platte River about 40 miles north of Interstate 80 is known as “The Miracle Mile,” for its awesome fishing. The stretch of river is an extremely fertile tailwater at the foot of the Seminoe Mountains. The river offers a dazzling population of trophy brown trout, rainbow trout, Snake River cutthroat trout, carp, and suckers. Resident trout are in the river year-round, but there are large numbers of both migratory rainbows and browns from nearby Pathfinder Reservoir.