Mammoth Spring (Arkansas)

Mammoth Spring National Fish Hatchery (MSNFH), located in Mammoth Spring (Fulton County), was the first national hatchery established in Arkansas, dating back to 1903. It is also one of the oldest in the country. Mammoth Spring is the seventh-largest spring in the United States and the largest spring in Arkansas. The spring forms the headwaters of the Spring River. Water flows at a constant fifty-eight degrees, making it ideal for the production of cool-water fish. Gravity forces the water through raceways and fills ponds, returning most to the Spring River.
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The hatchery is one of the oldest, built in the Ozark foothills in northeast Arkansas due to the availability of cool gravity flow water from the world’s seventh largest spring and easy access to the railroad.
Mammoth Spring National Fish Hatchery