This article is about Rock Creek (disambiguation)|Rock Creek. For other uses, see Rock Creek (Montana) (disambiguation).
Rock Creek is a 52-mile (84 km) river in Missoula and Granite County, Montana. Rock Creek is a tributary of the Clark Fork river. The river's headwaters are in Lolo National Forest near Phillipsburg, Montana. The river roughly parallels the Sapphire Mountains and enters the Clark Fork near Clinton, Montana. Sapphires are found along the river.
Rock Creek is a popular fly fishing river for locals and destination anglers. It contains rainbow, brown, westslope cutthroat and the threatened bull trout.