Broodstocks of Rainbow and Eagle Lake trout are reared at Darrah Springs Hatchery for transfer to Mt. Shasta Hatchery where cold water will ensure proper egg development. Although Darrah Springs Hatchery has water temperatures ideal for rapid growth, it is too warm for successful egg development. Rainbow Trout Coleman and Shasta strains Rainbow trout provided for recreational angling are now sterile (triploid). Eagle Lake Trout Known for its resistance to highly alkaline waters, the Eagle Lake trout is a native to nearby Eagle Lake and its Pine Creek tributary. Due to diminishing flows into Pine Creek, a program was started in the 1950’s to preserve the species. Once found only in its native waters, the Eagle Lake trout can now be found in many waters throughout the state. Lahontan Cutthroat Trout Named for the distinctive red markings under their lower jaw, cutthroat trout are native to California. Learn more about Lahontan cutthroat trout. Darrah Springs Hatchery main page