Gilpin Lake and Gold Creek Lake loop (Zirkel Circle)

The trail begins at the Slavonia Trailhead, which is located near Clark, Colorado, approximately 30 minutes north of Steamboat Springs. Parking is available at the trailhead.

Yes, dogs are generally allowed on the Zirkel Circle trail within the Mount Zirkel Wilderness. However, it's crucial to practice Leave No Trace principles, keep your dog on a leash, and pack out all waste to protect the wilderness environment and wildlife.

The ideal time to hike this loop is typically from mid-July through September. During this period, snow has usually melted from higher elevations, wildflowers are abundant, and the weather is generally more stable. Early season (before early July) may still have snow and ice, and stream crossings can be more challenging.

No, there are no specific permits or entrance fees required to hike the Zirkel Circle loop within the Mount Zirkel Wilderness. However, as it is a designated wilderness area, special regulations apply to preserve its wild character, such as no motorized or mechanized vehicles.

The Zirkel Circle offers incredibly diverse terrain. You'll hike through mixed aspen and conifer forests, expansive open meadows, and wide glacial valleys. Higher elevations feature alpine tundra, while lower areas have dense spruce-fir forests. Expect some strenuous and steep sections, especially on the ascent to Gilpin Lake, and be prepared for stream crossings without bridges.

The loop offers continuous stunning scenery. Key highlights include the beautiful Gilpin Lake with its cobalt blue waters and rugged backdrop, and the picturesque Gold Creek Lake. You'll also enjoy views of the Park Range mountains, including Mount Zirkel, wildflower-filled meadows, rushing creeks, and several waterfalls. From the saddle above Gilpin Lake, panoramic views of Flat Top Mountain and the Continental Divide await.

No, the Zirkel Circle is generally rated as a difficult hike. With a distance of approximately 17.2 km (10.7 miles) and an elevation gain of about 716 meters (2,349 feet), it requires a good level of fitness and experience. It is not recommended for beginners due to its length, significant elevation gain, and challenging terrain.

Yes, the route primarily follows the Gilpin Trail and the Gold Creek Trail. It also passes through sections of the Gold Creek Trail (FS 1150) and the Mica Basin Trail.

Consider hiking the loop counter-clockwise if you prefer a less steep, but still significant, gain in altitude to Gilpin Lake. Going clockwise offers a more gradual climb spread over five miles, which some hikers find preferable for managing the elevation gain.

The Mount Zirkel Wilderness is home to diverse wildlife. Hikers may spot black bears, marmots, pikas, elk, and mule deer. Always maintain a safe distance and never feed wild animals.

The average duration for completing the Zirkel Circle loop is around 5 hours and 25 minutes of moving time. However, due to its difficulty and the stunning scenery, many hikers take longer, often planning for a full day or even an overnight backpacking trip to fully enjoy the experience.