#0-9ABCDEFGHIJKLMNOPQRSTUVWXYZ(Reset) Peterson State Fish Hatchery PetersonProduces Lake Trout and Splake Trout for MN's Cold Water Trout Program. Seasonal self-guided tours and guided tours with reservations. Phone 507-875-2625Website www.dnr.state.mn.us/areas/fisheries/petersonhatchery