| Hidden River[1] | |
|---|---|
| Physical characteristics | |
| Source | |
| • coordinates | 40°21′28″N 105°42′49″W / 40.35778°N 105.71361°W |
| Mouth | |
• location | Confluence with Spruce Creek |
• coordinates | 40°20′43″N 105°41′40″W / 40.34528°N 105.69444°W |
• elevation | 9,685 ft (2,952 m) |
| Basin features | |
| Progression | Spruce—Big Thompson South Platte—Platte Missouri—Mississippi |
Hidden River is a tributary of Spruce Creek in Larimer County, Colorado. The stream's source is near the summit of Stones Peak in Rocky Mountain National Park. It flows southeast to a confluence with Spruce Creek in Spruce Canyon.