Camping and Travel Daily Image No. 18
Greyhawk Class C motorhome on US 34 through Big Thompson Canyon, September 4, 2009, east of Estes Park, Colorado
The Big Thompson River is a tributary of the South Platte River, approximately 78 miles (123 km) long, in 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. (Wikipedia)
