Three Rivers Peak is a 9,958-foot (3,035 m) mountain summit in the southern section of the Gallatin Range in Yellowstone National Park, in the U.S. state of Wyoming.
According to the Köppen climate classification system, it is located in a subarctic climate zone with long, cold, snowy winters, and cool to warm summers.[3] Winter temperatures can drop below −10 °F with wind chill factors below −30 °F.