Summit, Horshoe, Snag, Cinder Cone, Rainbow, Twin, and Echo Lakes Loop

Given its significant distance of over 41 kilometers (25.8 miles) and challenging difficulty, this loop is typically undertaken as a multi-day backpacking trip. While the estimated moving time is around 12 hours, planning for 2-3 days will allow you to fully experience the diverse scenery and tackle the strenuous sections comfortably.

The terrain is remarkably varied, showcasing Lassen's unique volcanic landscape. You'll encounter sandy paths, especially around Lava Flow in Lassen Volcanic Wilderness and the ascent to Cinder Cone, which is composed of loose volcanic ash. Other sections feature rocky areas, evidence of past forest fires, and established trails around the numerous lakes. Expect footbridges over creek crossings like Kings Creek crossing and Creek Crossing.

No, this loop is rated as difficult and is not suitable for beginners. The sheer distance, significant elevation gain, and particularly the challenging 500-foot ascent of Cinder Cone on loose volcanic cinders make it very strenuous. Hikers should have considerable experience with long-distance and multi-day treks.

The loop offers a stunning array of volcanic features and pristine alpine lakes. Key highlights include the perfectly formed Cinder Cone, with its panoramic views of Lassen Peak and the Lava Flow in Lassen Volcanic Wilderness. You'll also pass by numerous beautiful lakes such as Summit Lake, Snag Lake, Rainbow Lake, Lower Twin Lake, Upper Twin Lake, and Echo Lake. Don't miss the vividly colored Painted Dunes near Cinder Cone.

The best time to hike this loop is typically from late spring through early fall (roughly June to October), when the trails are clear of snow. Summer offers warmer temperatures, but sections near Cinder Cone can be exposed and hot. Early fall provides cooler weather and potentially fewer crowds, but always check conditions before you go, as snow can linger at higher elevations.

Yes, Lassen Volcanic National Park requires an entrance fee. If you plan to backpack and camp overnight, you will also need a wilderness permit. It's advisable to check the official NPS website for the most current information on fees and permit requirements.

In Lassen Volcanic National Park, pets are generally not allowed on trails, including this extensive loop. They are permitted in developed areas like campgrounds, picnic areas, and along paved roads, but must be on a leash no longer than six feet. Always check the latest pet regulations on the NPS website before your visit.

Access points for this extensive loop can vary depending on your starting point. A common access point for sections of this loop, particularly for Cinder Cone, is the Butte Lake area. Parking is available at various trailheads within Lassen Volcanic National Park. For multi-day trips, consider where you'll leave your vehicle and if any specific trailhead parking requires early arrival, especially during peak season.

The climb up Cinder Cone is notoriously difficult due to the steep incline and loose volcanic cinders. To make it more manageable, consider starting your day early to avoid the midday heat, as this section is exposed. Using trekking poles can significantly help with stability and reduce strain. Take frequent, short breaks, and remember that while challenging, the panoramic views from the summit are incredibly rewarding.

Yes, sections of this extensive loop incorporate parts of several established trails. You'll find yourself on portions of the Butte Lake To Snag Lake Trail, the Rainbow Lake To Nobles Trail, the Cinder Cone Trail, and the Horseshoe Lake Trail. Notably, parts of the Cinder Cone trail also follow the historic Nobles-Emigrant Trail, adding a layer of historical significance to your hike.