Green Mountain and Onahu Creek Trail Loop

The loop typically starts from the Green Mountain Trailhead, located within Rocky Mountain National Park. Parking is available at the trailhead, but it can fill up quickly, especially during peak season. Arriving early in the morning is often recommended to secure a spot.

Yes, as this trail is located within Rocky Mountain National Park, you will need to pay the park's entrance fee. Additionally, during certain times of the year, a timed entry permit may be required to access the park. It's best to check the official Rocky Mountain National Park website for the most current regulations and to reserve any necessary permits in advance.

No, dogs are generally not permitted on trails within Rocky Mountain National Park, including this loop. This policy helps protect wildlife and natural resources. Service animals are an exception, but pets are not allowed on hiking or jogging trails.

The best time to jog this loop is typically from late spring through early fall (June to September). During these months, the snow has usually melted, and the weather is more favorable. Early mornings are ideal for cooler temperatures, fewer crowds, and better chances of spotting wildlife like moose and elk in the meadows.

The terrain is quite varied and can be challenging. Starting from the Green Mountain Trailhead, you'll encounter a steady, moderate climb through a conifer forest, which then becomes more gentle with interspersed steeper inclines. The Onahu Creek Trail section features a series of

This loop is generally rated as difficult due to its length (approximately 7.5 miles) and significant elevation gain (around 1300 feet). While rewarding, it involves sustained climbs and descents, making it more suitable for joggers with some experience or those looking for a challenging workout. It can also be a good option for acclimating to the high altitude of Rocky Mountain National Park if you are already fit.

You'll experience diverse scenery, from dense conifer forests to open meadows. A major highlight is Big Meadows, the largest montane meadow in the park, offering expansive views. The Onahu Creek Trail section is particularly scenic, following the creek. Wildlife sightings are common, especially in the meadows during early morning or late evening, with opportunities to see moose, elk, and deer.

Yes, the trail offers a glimpse into the area's past. You'll pass by the ruins of Sam Stone Ranch and other early homesteader cabins from the early 1900s, adding a historical element to the natural beauty. The trail also provides views of surrounding peaks like Nakai Peak, Snowdrift Peak, and Mount Patterson.

Yes, sections of this loop are part of larger trail systems. You'll be jogging along portions of the Continental Divide National Scenic Trail - Rocky Mtn Park and the CDT - Colorado Section. The route also utilizes parts of the Tonahutu Creek Trail and the Green Mountain Trail.

Many joggers find the

There are no designated water refill stations or restrooms directly on the trail itself. It's crucial to carry enough water for the entire 7.5-mile loop, especially given the elevation changes and potential for warm weather. Restroom facilities are typically available at the Green Mountain Trailhead.