St. Mary's Glacier Trail

The trailhead is located about an hour from Denver, near Idaho Springs. There is a designated parking area, but it can fill up quickly, especially on weekends and during peak season. Arriving early is highly recommended to secure a spot.

Yes, the trail is generally dog-friendly. However, as it's located within Arapaho National Forest, all dogs must be kept on a leash to protect wildlife and ensure a pleasant experience for all trail users. Be mindful of the rocky terrain and potential for snow, which can be tough on paws.

The St. Mary's Glacier Trail is located within the Arapaho National Forest. While there isn't typically an entrance fee for the forest itself, there may be a fee for parking at the trailhead. It's always a good idea to check local regulations before you go, as conditions and rules can change.

The best time for jogging is typically late spring to early fall when the trail is relatively clear of snow and ice. However, snow can be present year-round, especially closer to the glacier. In winter, the trail can be snow-covered and icy, making jogging difficult and requiring specialized gear like microspikes or snowshoes.

The terrain is largely a singletrack with a noticeable and often steep incline from the start. It's quite rocky throughout, requiring careful footing. The initial section winds through a forest before opening up. As you ascend towards the lake and the glacier, the terrain becomes even steeper and rockier. Conditions vary with the season, with snow and ice possible year-round.

While rated moderate for hiking, for jogging, this trail leans towards difficult. It features significant elevation gain over a short distance, starting at approximately 10,300 feet. The first stretch is a 'lung burner' even for hikers, making it particularly challenging for sustained jogging, especially for those not acclimated to high altitude.

You'll ascend through a beautiful forest of pine and aspen trees. Upon emerging, you'll be treated to views of Saint Mary's Lake, a clear alpine lake. Beyond the lake, the main attraction is the Saint Mary's Snowfield, which retains snow year-round. Panoramic vistas of the surrounding Rocky Mountains are a constant reward.

Yes, the route also passes through sections of the St Marys Glacier Hike, St. Mary's Glacier Trail, Fox Court, and Canyon Court.

Given the high altitude and variable conditions, layers are essential. Bring sturdy trail running shoes with good grip for the rocky terrain. Even in summer, a light jacket is advisable. Water, snacks, sun protection, and a map or GPS are also highly recommended. In colder months or if snow is present, microspikes or snowshoes might be necessary.

The 'glacier' is technically a semi-permanent snowfield that retains snow year-round. You can jog towards it, but the terrain becomes increasingly steep and rocky as you approach. Depending on conditions, you might need to transition to hiking or use specialized gear to safely reach the snowfield itself.

Due to its steepness, rocky terrain, and high altitude, this trail is generally not recommended for beginner trail runners. It's best suited for those with experience in mountain running and good physical conditioning. Beginners might find it more enjoyable as a challenging hike.