Mammoth Spring, AR
Mammoth Spring is a city in Fulton County, Arkansas, United States. The population was 977 at the 2010 census.
Mammoth Spring is located at 36°29′36″N 91°32′37″W / 36.493268°N 91.543577°W / 36.493268; -91.543577.
According to the United States Census Bureau, the city has a total area of 1.4 square miles (3.6 km²), of which, 1.4 square miles (3.5 km²) of it is land and 0.04 square miles (0.1 km²) of it (2.86%) is water.