Back نهر بيج ثومپسون ARZ Big Thompson River CEB Big Thompson River German Big Thompson (rivière) French बिग थॉम्पसन नदी Marathi Big Thompson Dutch 大汤普森河 Chinese
 | This article's lead section may be too short to adequately summarize the key points. (September 2013) |
| Big Thompson River | |
|---|---|
 The headwaters of the Big Thompson River are in Rocky Mountain National Park. | |
  Location of mouth | |
| Location | |
| Country | United States |
| State | Colorado |
| City | Grand Lake |
| Physical characteristics | |
| Source | Rocky Mountains |
| • coordinates | 40°25′41″N 105°47′29″W / 40.42806°N 105.79139°W[1] |
| • elevation | 11,310 ft (3,450 m)[2] |
| Mouth | South Platte River |
• location | Near Greeley |
• coordinates | 40°21′16″N 104°45′37″W / 40.35444°N 104.76028°W[1] |
• elevation | 4,670 ft (1,420 m)[2] |
| Length | 78 mi (126 km)[3] |
| Discharge | |
| • location | Loveland[4] |
| • average | 72.5 cu ft/s (2.05 m3/s)[4] |
| • minimum | 0.48 cu ft/s (0.014 m3/s) |
| • maximum | 35,000 cu ft/s (990 m3/s) |
| Basin features | |
| Tributaries | |
| • left | North Fork Big Thompson River |
| • right | Little Thompson River |
The Big Thompson River is a tributary of the South Platte River, approximately 78 miles (126 km) long, in the U.S. state of Colorado. Originating in Forest Canyon in Rocky Mountain National Park, the river flows into Lake Estes in the town of Estes Park and then through Big Thompson Canyon. It includes four crossings/bridges which are listed on the U.S. National Register of Historic Places.
- ^ a b U.S. Geological Survey Geographic Names Information System: Big Thompson River, USGS GNIS.
- ^ a b Google Earth elevation for GNIS coordinates.
- ^ Big Thompson River Archived 2008-04-15 at the Wayback Machine, The Columbia Gazetteer of North America. 2000.
- ^ a b Water Data Report, Colorado 2003, from Water Resources Data Colorado Water Year 2003, USGS.