Denver International Airport 1 hr 16
Flatirons (31 min)
Landmark mountain with 5 flat, slablike peaks rising above forest, accessible for hiking & climbing. NCAR Mesa Laboratory (39 min)
Architect I.M. Pei's pink-sandstone weather center & museum houses high-tech earth-science exhibits. Gross Reservoir (1 hr 11)
Built in 1954, this reservoir in a tranquil canyon offers picnic tables, seasonal camping & fishing. Green Mountain (46 min)
Mountain and hiking Flagstaff Mountain (40 min)
6,983 ft. Front Range peak with hiking trails & a summit road offering panoramas over Boulder. Bear Peak (54 min)
A rocky climb & an easier meadow path lead to the summit of this high peak with panoramic views. Boulder Reservoir (31 min)
Peaceful manmade lake with a mountain backdrop, popular for kayaking, swimming & waterside hikes. Eldorado Canyon State Park (52 min)
Park known for rock-climbing & outdoor activities, thanks to sandstone cliffs & natural attractions. | 
