Ryegate is a town in and the county seat of Golden Valley County, Montana, United States. The population was 268 at the 2000 census. Ryegate is situated on the north bank of the Musselshell River.
Ryegate is located at 46°17′56″N 109°15′20″W / 46.29889°N 109.25556°W / 46.29889; -109.25556 (46.298780, -109.255569).
According to the United States Census Bureau, the town has a total area of 0.7 square miles (1.8 km²), all of it land.