Bergen Peak is a 9,702ft. mountain within Elk Meadow Park, located in Evergreen, CO and Jefferson County. Picturesque meadow views, aspen groves, and stunning vistas of nearby Mount Evans and surrounding peaks make the 8.7 mile out-and-back ascent to Bergen Peak extremely popular and a great option close to Denver.
The Flatirons Vista Trail, part of Boulder's Open Space and Mountain Parks (OSMP), is an easy 3.5 mile loop hike with stellar views of the iconic sandstone Flatirons. Limited elevation gain and a fairly smooth trail make the Flatirons Vista Trail a great outing during any season.
La Plata Peak is the 5th tallest mountain in Colorado at 14,336ft. Located near Twin Lakes, CO in the Collegiate Peaks Wilderness and within the stunning Sawatch Range, La Plata Peak's standard route is a straightforward but steep Class 2 ascent via its Northwest Ridge. Overall roundtrip, 9.0 miles and a 4,200ft. gain in elevation.
Mount Bierstadt is the 38th tallest mountain in Colorado at 14,065ft. Located near Georgetown, CO in the Mount Evans Wilderness of Pike National Forest, Mount Bierstadt is considered an easier 14er mountain to summit. Most hikers ascend via the Class 2 West Slopes route, which begins at the Guanella Pass Trailhead and is 7.2 miles roundtrip.
Mount Yale is the 21st tallest mountain in Colorado at 14,200ft. Located near Buena Vista in the Collegiate Peaks Wilderness, most hikers ascend via the Class 2 Southwest Slopes route. Beginning at the Denny Creek Trailhead, this route is non-technical, but requires a steep 4,300ft. climb and 9.2 miles roundtrip.
Mount Audubon (13,223ft.) is a 13er mountain located in Colorado's Front Range and within the Indian Peaks Wilderness near Ward, CO. The standard route to Mount Audubon's summit is via its Class 2 North Slope. At 8.0 miles roundtrip with about 2,700ft. of elevation gain, this hike is fairly strenuous, but is a great introduction into 13er hiking.