Lulu City via Grand Ditch and Little Yellowstone Trails run
Lulu City via Grand Ditch and Little Yellowstone Trails run
4.6
(2230)
6,855
runners
01:49
12.8km
290m
Running
This difficult 7.9-mile jogging route in Rocky Mountain National Park takes you through varied terrain to historic Lulu City and scenic over
Last updated: February 26, 2026
Tips
Your route passes through protected areas
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Waypoints
Start point
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6.37 km
Highlight • Historical Site
Tip by
12.8 km
End point
Way Types & Surfaces
Way Types
5.62 km
4.66 km
2.45 km
Surfaces
5.95 km
4.66 km
2.12 km
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Elevation
Highest point (3,100 m)
Lowest point (2,860 m)
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Wednesday 6 May
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This route was planned by komoot.
The terrain is quite varied. The initial sections, particularly the Colorado River Trail and the Grand Ditch Trail, are generally wide, flat, and smooth, making them good for steady jogging. However, the route starts with a short, steep hill. The Little Yellowstone Trail, in contrast, is significantly more challenging, featuring steep ascents through pines, rocks, and roots, and crossing several small, steep creeks. Expect technical sections that may require walking.
While parts of the trail, like the Colorado River Trail and Grand Ditch Trail, are relatively easy, the overall route is rated as 'difficult' due to the challenging and steep sections of the Little Yellowstone Trail. Beginner joggers might find the full loop strenuous and should be prepared for significant elevation gain and technical terrain. It's best suited for those with some trail running experience.
This run offers a rich blend of history and nature. You'll pass through the remnants of the historic mining town of Lulu City Ruins, offering a glimpse into the late 1800s. The route also follows the impressive Grand Ditch, an engineering marvel. Naturally, you'll experience the nascent Colorado River, lush meadows, diverse forests, and magnificent views over the Little Yellowstone Canyon and the Never Summer Mountains. The Little Yellowstone Trail also features unique volcanic landscapes.
The best time to jog this trail is typically from late spring through early fall (June to September) when the snow has melted and the weather is generally favorable. During these months, you'll experience lush scenery and active wildlife. Always check current trail conditions, especially in early season or after heavy rains, as some sections can be muddy or have lingering snow.
No, dogs are generally not allowed on trails within Rocky Mountain National Park, including the Lulu City via Grand Ditch and Little Yellowstone Trails. This is to protect wildlife and the natural environment. Service animals are an exception.
Yes, as this trail is located within Rocky Mountain National Park, you will need to pay an entrance fee to the park. Additionally, during peak season (typically late May through mid-October), a timed entry permit may be required to access certain areas of the park, including the west side where this trailhead is located. Always check the official Rocky Mountain National Park website for the most current fee and permit requirements before your visit.
The primary access point for this run is typically the Colorado River Trailhead, located on the west side of 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 highly recommended to secure a spot. Public transport options within the park may also be available to reach the trailhead during certain times of the year.
The diverse ecosystems along this route make it a prime location for wildlife viewing. You have a good chance of spotting elk, moose, and deer grazing in the meadows, particularly along the Colorado River. Bears are also present in the park, so it's important to be bear-aware and carry bear spray. Keep a respectful distance from all wildlife.
Yes, this route utilizes and intersects with several other trails. You'll spend significant time on the Grand Ditch Trail and the Little Yellowstone Trail. It also incorporates sections of the Colorado River Trail and briefly touches on the Thunder Pass Trail and Specimen Ditch Trail. These connections offer possibilities for extending or modifying your run if you wish.
The trailhead is located on the west side of Rocky Mountain National Park, closer to the town of Grand Lake. In Grand Lake, you can find various amenities such as cafes, restaurants, and accommodation options. However, there are no services directly at the trailhead itself, so plan to bring all necessary supplies, including water and snacks, for your run.
For the Little Yellowstone Trail section, which is quite steep and technical, consider starting your run early in the morning. This allows you to tackle the most demanding climbs when you're freshest and before afternoon thunderstorms, which are common in the mountains, might roll in. Don't be afraid to power-hike the steepest parts; it's a common strategy on technical mountain trails.