Game and Fish employee walks between concrete raceways at Tillett Springs Fish Rearing Station.

Tillett Springs Fish Rearing Station

Fish Hatchery Information


Located on the western slope of the Big Horn Mountains, Tillett Springs Rearing Station is approximately 17
miles northeast of Lovell, Wyoming. The rearing station was constructed in 1958 and named for the Tillett
Ranch granted the Wyoming Game and Fish Department a 99-year lease for the property.  Located a
short distance from the Pryor Mountain Wild Horse Range and Bighorn Canyon National Recreation Area, this
facility offers visitors scenic beauty and the opportunity to view fish culture activities.

Tillet Springs Rearing Station Address

P.O. Box 416, 195 County Road 16
Tillett, Wyoming 82431

(307) 548-6650

Driving Directions

Fish Hatchery Hours:

The hatchery is open to the public 8 am - 5 pm daily.


Fish Hatchery Video Tour

Tillett Springs Rearing Station Fun Facts

  • Tillett Springs Rearing Station has one concrete pond, one dirt pond, one rubber-lined pond, and 12 concrete raceways, 5 feet wide and 100 feet long, to raise fish.
  • In 1994, an isolation hatchery was constructed at Tillett to allow the station to raise fish of undetermined disease status. This allows eggs collected from wild brood sources to be kept isolated from all other fish on the station until they pass disease inspection.
  • Around 200,000 fish are stocked annually from Tillett Springs Rearing Station.

Hatchery Broodstock

Kokanee fish illustration

Tillett Springs Rearing Station maintains the captive kokanee salmon broodstock.

The facility also raises brown trout, Eagle Lake rainbow
and Snake River cutthroat trout.

Where does Tillett Springs Rearing Station get its water?


Two natural springs provide an excellent water source, supplying 1,380 gallons per minute at a constant temperature of 54 F. 

A view of the concrete raceways with the office building in the background at Tillett Springs Rearing Station