Fall River Pass is one of the highest roads of CO

Fall River Pass is a high mountain pass at an elevation of 3.595m (11,796ft) above the sea level, located on the boundary of Grand and Larimer counties, in the U.S. state of Colorado. It's one of the highest roads of Colorado.

Set high in the Rocky Mountain National Park in the north-central region of Colorado, the road to the summit is the scenic Trail Ridge Road, the highest continuous paved road in the country. The road, also known as Trail Ridge Road/Beaver Meadow National Scenic Byway, cuts through Rocky Mountain National Park between the towns of Estes Park and Grand Lake, and is one of the best ways to see the Continental Divide as it cuts through Colorado. The name "Trail Ridge Road" derives from its proximity to historic pathways used by native peoples to cross the Rocky Mountains. 

The road is closed during the winter, and often remains closed until late spring or early summer depending on the snowpack. It traverses Rocky Mountain National Park from Estes Park, Colorado in the east to Grand Lake, Colorado in the west. Construction began in 1929 and was completed to Fall River Pass by July 1932, with a maximum grade of 7%. Trail Ridge Road It requires access to Rocky Mountain National Park even for local residents.