Boulder County - 64 Attractions You Must Visit

The First is a huge Flatiron with many good face routes starting from the bottom to the top of the East side It dominates the northern end of the Flatirons and is home to some of the longest routes in the area. The massive east face hosts many fine slab climbs while the other faces sweep up to offer many greater challenges. Hike from urban to wilderness by starting at Bluebell-Baird Trail to transition west onto First-Second Flatiron Trail.

Flagstaff Mountain is a foothill on the eastern flank of the Front Range of the Rocky Mountains of North America. From the peak of Flagstaff Mountain one can see Boulder, Metropolitan Denver, and the surrounding mountains. There are hiking and bike trails, picnic areas, the Summit Nature Center, and an outdoor amphitheatre.

One of the most spectacular city views in the country. The dramatic rock outcroppings as well as the hiking trails will afford life-long memories. The Flatirons consist of conglomeratic sandstone of the Fountain Formation. Geologists estimate the age of these rocks as 290 to 296 million years; they were lifted and tilted into their present orientation. They are popular destinations for hikers and rock climbers, with rock grades ranging from easy to world-class.

Flatirons Vista is the gateway to great trail running circuits from a quick run to marathon training sessions. It is located on the far south end of Boulder. As a continuation of the high Marshall Mesa Plateau, the views of Boulder’s iconic Flatirons are unmatched, especially if you have the opportunity to watch storms rolling in from the west.

Green Mountain is a mountain summit on the eastern flank of the Front Range of the Rocky Mountains of North America. The mountain is renowned for the Flatirons rock formations on its eastern flank. The standard trailhead for a hike up Green is located in town at the base of Gregory Canyon on the perimeter of Chautauqua Park.

Gross Reservoir, located in Boulder County, Colorado, is owned and operated by Denver Water. Completed in 1954, the reservoir has a surface area of 440 acres, and the spillway sits at 7,225 feet elevation.The reservoir receives water from the western side of the Continental Divide through the Moffat Tunnel. South Boulder Creek flows out of the 340 foot-high dam.

Isabelle Glacier is an alpine glacier located .25 mi southwest of Shoshoni Peak. This trail is best attempted July through September. Snow-packed conditions can exist during the remaining months of the year.The short hike to Lake Isabelle is one of the area's most popular, however crowds thin on the rugged trek up-valley to its glacial origin.

Lake Isabelle is located 2.1 miles from Long Lake Trailhead in the Brainard Lake Recreation Area of the Indian Peaks Wilderness.Once at Isabelle the hike around the lake includes a bit of bouldering and goat-skills, but the experience is just as wonderful from the initial entry.

Longs Peak is the northernmost fourteener in the Rocky Mountains and the highest point in Boulder County and Rocky Mountain National Park.It extends about 300 miles south-southeastward from near Casper in southeastern Wyoming to Fremont county in south-central Colorado. Boasting 15 various trail routes, the majority include technical climbs with sheer vertical rock faces.

Lost Gulch Overlook offers a stunning lookout over the forested foothills and mountains beyond. This short stop is common for sunset and sunrise views. The very short trail is also easy and simple for all skill levels. It is one of the most popular places in Boulder, CO for engagement sessions, elopements, and senior portraits.

Lost Lake is an accessible 4-mile round-trip hike to a beautiful alpine lake surrounded by the mountains of Indian Peaks. The trail up to lost lake takes you along the course of Middle Boulder Creek, a slide waterfall, a set of tumbling cascades, and a variety of wildflowers that decorate the borders of the trail, the creeksides, and the small meadows that open up along the trail.

Marshall Mesa is a great hike if you want open valley views with mild elevation gain. It connects the Marshall Valley and Community Ditch trails. There are many different ways to link up the trails in the area, and options to cross Rte. 93 to access the trails on the east side of the highway. The high vantage point of the mesa offers great views of the Flatirons as well as far off destinations including Longs Peak to the north and Denver to the east.

The Mesa Trail has to be one of the best and most famous short trails in the country. It runs 6.7 miles from Chautauqua Park in Boulder to Eldorado Springs Drive, following a rolling and very scenic route along the foothills, with spectacular views of Boulder's famous Flatirons.

Mitchell Lake is a beautiful lake located .9 miles from Mitchell Lake Trailhead in the Brainard Lake Recreation Area. It occupies a broad, damp flat on Mt Audubon's south flank. Mild trail conditions are well-suited for families, winter recreation and those with limited time or abilities. It offers good views of surrounding peaks, abundant wildflowers, excellent fishing, and numerous outlying ponds to explore.

Mount Alice is a high mountain summit in the northern Front Range of the Rocky Mountains of North America. It is not climbed as often as many of the other mountains in Colorado. It is a challenging mountain to climb, simply because of the long approach. Most climbers ascent via Hourglass Ridge above Lion lakes or else via Boulder Grand Pass above Thunder Lake.

Mount Audubon is a high mountain summit of the Indian Peaks in the northern Front Range of the Rocky Mountains of North America. The 13,229-foot thirteener is located in the Indian Peaks Wilderness of Roosevelt National Forest, 5.6 miles west-northwest of the Town of Ward in Boulder County, Colorado, United States. The mountain was named in honor of John James Audubon.

Mount Meeker is a high mountain summit of the Twin Peaks Massif in the northern Front Range of the Rocky Mountains of North America. The 13,916-foot thirteener is located in the Rocky Mountain National Park Wilderness, 4.8 miles west by northof the community of Allenspark in Boulder County, Colorado, United States.

Mt. Sanitas, a hike near Boulder CO, offers three different options, from the difficult climb up the mountain, to an easy walk through a peaceful valley. It has high foot traffic and meanders both sides of the ridge leading to the Mount Sanitas summit. The terrain varies from open meadows to rugged boulders and projected rock outcrops.

North Arapaho Peak is the highest mountain in the IPW and highest mountain on the Continental Divide north of Denver. The 13,508-foot thirteener is located in the Indian Peaks Wilderness, 7.8 miles west-southwest of the Town of Ward, Colorado, United States, on the Continental Divide separating Roosevelt National Forest and Boulder County from Arapaho National Forest and Grand County. This impressive collection of jagged peaks includes 35 named peaks.