Lyons is a Statutory Town in Boulder County, Colorado, United States. The town population was 2,209 at the 2020 United States Census, up from 2,033 at the 2010 United States Census. Lyons is located at the confluence of North St. Vrain Creek and South St. Vrain Creek, 20 miles (32 km) east of Rocky Mountain National Park. Due to its location at the intersection of State Highway 7 and U.S. Highway 36 which lead to Rocky Mountain National Park, it is sometimes referred to as "The Double Gateway to the Rockies".
Downtown Lyons toward the intersection of U.S. Highway 36 and State Highway 7
Lyons Redstone Museum
Boulder County is a county located in the U.S. state of Colorado of the United States. As of the 2020 census, the population was 330,758. The most populous municipality in the county and the county seat is Boulder.
Boulder County Courthouse
View of the eastern and southern borders of Boulder County and adjacent areas in Weld, Broomfield, and Jefferson counties, with north oriented to the left. The city of Boulder is near the lower border. Taken from the International Space Station on July 1, 2022.
Boulder and the mountains to the west of the city