[1] The airport is owned by Gallatin County and located one nautical mile (2 km) southeast of the central business district of Three Forks, Montana.

[3] Three Forks Airport covers an area of 160 acres (65 ha) at an elevation of 4,089 feet (1,246 m) above mean sea level.

It has one runway designated 2/20 with an asphalt surface measuring 5,100 by 60 feet (1,554 x 18 m).

[1] For the 12-month period ending August 17, 2011, the airport had 11,530 aircraft operations, an average of 31 per day: 63% air taxi, 28% general aviation, and 9% military.

At that time there were 31 aircraft based at this airport: 81% single-engine, 16% ultralight, and 3% helicopter.