The best running trails in Arapaho And Roosevelt National Forests

If you're looking for a demanding jogging experience, the Devils Thumb Loop is a difficult 14.0-mile (22.5 km) route that will challenge you with a significant 3145 feet (959 metres) of elevation gain. Expect to spend around 3 hours and 40 minutes navigating its diverse terrain. You will jog through dense forests and vibrant meadows, eventually reaching exposed alpine tundra. Keep an eye out for flowing creeks and waterfalls as you make your way towards stunning alpine lakes like Jasper Lake and King Lake. From high points such as Devil's Thumb Pass, you can enjoy panoramic vistas of the snow-capped Continental Divide. This loop offers a strenuous but rewarding journey for experienced runners.

This route is not suitable for casual joggers; you will need physical preparation for high altitude and rapid weather changes, including summer thunderstorms. While it can be completed as a long day jog, be aware that permits are required for any overnight stays in the Indian Peaks Wilderness. Always carry adequate water and food for the entire duration of your trip. Plan your visit carefully to ensure you are prepared for the conditions.

The Devils Thumb Loop is notable for its journey through the Indian Peaks Wilderness, showcasing a dramatic transition from lush lower elevations to stark alpine environments. The trail's significant elevation gain and diverse ecosystems make it a true test of endurance and a highlight for those seeking a challenging mountain jog. It provides an immersive experience into a pristine natural landscape, far removed from urban settings.

Embark on a difficult jogging route up Mount Bierstadt, a challenging high-altitude run spanning 7.3 miles (11.8 km) with a significant elevation gain of 2508 feet (764 metres). You can expect to complete this journey in about 2 hours and 20 minutes. The trail begins with a gentle descent through willows and across Scott Gomer Creek, where you might spot summer wildflowers, before ascending to offer wide views of Mount Evans, the Sawtooth Ridge, and Abyss Lake. The final push to the summit involves Class 2 scrambling over boulders, rewarding you with expansive vistas of the Rocky Mountains.

Planning your visit requires an early start, especially if you go on summer weekends, as the Mount Bierstadt Trailhead parking fills up quickly. Arriving even before sunrise is recommended to secure your spot and avoid the busiest times. Be prepared for rapid weather changes; strong winds and thunderstorms are common, particularly in the afternoon, so always check the forecast and carry appropriate gear.

This route is a popular choice for those seeking a demanding high-altitude experience within the Mount Evans Wilderness. As you approach the top, keep an eye out for local wildlife such as marmots or pika, which are often seen near the summit. The trail offers a unique opportunity to experience the rugged beauty and challenging terrain of a Colorado fourteener.

Prepare for a difficult jogging challenge on the Grays and Torreys Peak Trail, covering 8.1 miles (13.1 km) with a significant 3248 feet (990 metres) of elevation gain. This route takes about 2 hours and 44 minutes to complete, leading you through a dramatic alpine setting. As you climb, the landscape shifts from green meadows to arid, brown slopes, offering outstanding views of the surrounding peaks. From the summits of Grays Peak and Torreys Peak, you are rewarded with incredible 360-degree panoramic views of the Rocky Mountains. Keep an eye out for mountain goats along the way.

This trail is very popular due to its accessibility from Denver, making it a frequently visited high-altitude route. The route starts near treeline at about 11,200 feet, so a high level of fitness and prior experience at high elevations are crucial to avoid altitude sickness. The trail is generally well-constructed and easy to follow, but proper preparation for the altitude is key for an enjoyable experience.

What makes this trail stand out is the unique opportunity to summit two Colorado 14ers in a single outing. Located within the vast Arapaho National Forest, the route offers a classic high-alpine experience. This combination of challenge and reward makes it a notable destination for those seeking to conquer prominent peaks in the Rocky Mountains.

The Grays and Torreys Peak Loop via Kelso Ridge offers a demanding jogging experience through rugged alpine terrain. You will navigate a difficult 7.5 miles (12.0 km) route, gaining a significant 3206 feet (977 metres) in elevation. This loop takes around 3 hours and 4 minutes to complete, immersing you in a landscape of rocky peaks and high-altitude basins. As you ascend, you'll encounter the distinctive Kelso Ridge, known for its technical scrambling sections. The route provides expansive views of the Front Range and the Continental Divide, showcasing a striking contrast between green alpine basins and the stark, rocky terrain.

Planning your visit requires careful consideration for this challenging route. An early start is crucial, especially during summer months, to avoid the common afternoon thunderstorms that can quickly develop at high altitudes. Due to the technical Class 3 scrambling and exposed sections, this trail is not recommended for dogs, and wearing a helmet is highly advised for protection against loose rock. Be prepared for route-finding challenges on Kelso Ridge, as there are no cairns to guide you, making strong navigation skills essential.

This loop is celebrated for its thrilling Class 3 scrambling, which involves hands-on climbing and a comfort with exposure, particularly along an iconic knife-edge section of Kelso Ridge. From the summits of Torreys Peak and Grays Peak, you are rewarded with panoramic vistas that often include sightings of mountain goats. The route provides a profound sense of accomplishment for experienced joggers and hikers, making it a notable adventure within the Arapaho National Forest.