You can find the Green Mountain West Trail up the winding roads of the Boulder County Open Space. This 2.7 mile out-and-back trail gains 627 feet and offers stunning mountain vistas and a vantage point of Boulder below. If the weather is good, get there early or late to find parking on the gravel side of the road. Our ratings: Crowd: 3.5/5. This is a moderately popular trail. Depending on the weather and time of day, you’ll be sharing this trail with a decent group of people. The hike itself typically isn’t very busy, but once you reach the summit you’ll be jockeying for space with most of... Read More