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27.3 km
~7 hrs 17 min
1108 m
Multi-Day
Mt Marcy-Avalanche Pass Loop
Embarking on the Mt Marcy-Avalanche Pass Loop, hikers will traverse approximately 27 kilometers (about 17 miles) of the Adirondack Park's most scenic and challenging terrain. With an elevation gain of roughly 1100 meters (3600 feet), this loop is a test of endurance and offers a rewarding experience for those prepared for its difficulties.
Getting to the Trailhead
The trailhead is located near Essex County, New York, in the heart of the Adirondack High Peaks region. For those driving, the Adirondak Loj Road leads to the parking area, which serves as the starting point for the hike. Public transportation options are limited in this remote area, so most visitors opt to drive. Upon arrival, hikers should be prepared to pay a parking fee, and it's advisable to arrive early, especially during peak season, as the lot fills up quickly.
Navigating the Trail
The loop can be tackled in either direction, but many choose to ascend via the Van Hoevenberg Trail towards Mt. Marcy and return via Avalanche Pass. Hikers will begin their journey through dense forests, gradually ascending towards Marcy Dam, which offers the first of many picturesque views. The dam area, approximately 3.5 kilometers (2.2 miles) from the trailhead, is a good spot to rest and take in the surrounding peaks.
Continuing on, the trail becomes steeper and more rugged. The ascent of Mt. Marcy, New York's highest peak at 1629 meters (5344 feet), is a challenging climb with rocky and exposed sections. From the summit, on a clear day, one can enjoy panoramic views of the Adirondacks, with the Great Range, Algonquin Peak, and Lake Tear of the Clouds all visible.
Descending from the summit, the trail leads to the opulent beauty of Avalanche Pass. This section, known for its steep cliffs and narrow passageways, skirts the edges of Avalanche Lake and Lake Colden. The trail here is often dotted with ladders and wooden walkways, aiding hikers through the more difficult terrain.
Landmarks and Natural Features
One of the most significant landmarks along the trail is Indian Falls, a serene spot that offers a view of the MacIntyre Range. The falls are approximately 11 kilometers (7 miles) from the trailhead and provide a tranquil setting for a break.
The Avalanche Pass area is also home to unique flora and fauna. Hikers may spot a variety of wildlife, including deer, black bears, and numerous bird species. It's important to practice Leave No Trace principles and bear safety measures, such as using bear-resistant food canisters.
Historical Significance
The Adirondack region is steeped in history, with the High Peaks area playing a significant role in the development of wilderness conservation in the United States. The "forever wild" clause of the New York State Constitution, established in 1894, has protected the Adirondack Park from extensive logging and development, preserving its natural beauty for future generations.
Preparation and Safety
Given the trail's difficulty, hikers should be well-prepared with appropriate gear, including sturdy hiking boots, weather-appropriate clothing, and navigation tools. HiiKER is a recommended app for trail maps and navigation, ensuring hikers stay on the correct path. It's also crucial to carry enough water and food, as the loop can take a full day or more to complete.
Weather in the High Peaks can change rapidly, and hikers should be prepared for all conditions, including cold temperatures and rain, even in the summer months. Additionally, the high elevation can lead to altitude sickness, so hikers should acclimate and recognize the symptoms.
Conclusion
The Mt Marcy-Avalanche Pass Loop is a challenging yet rewarding hike that offers a glimpse into the wild heart of the Adirondacks. With proper preparation and respect for the natural environment, hikers can enjoy a memorable experience in one of New York's most majestic landscapes.
What to expect?
Activity types
Frequently asked questions
How long does the Mt Marcy-Avalanche Pass Loop usually take to hike?
The Mt Marcy-Avalanche Pass Loop covers 27.26 km, or about 16.9 miles, with 1,108 m of climbing, so it is a full-day effort for strong hikers and an overnight trip for many others. Most parties should plan for a long mountain day because the route combines the long approach from Adirondak Loj with the ascent of Mount Marcy and the rough footing around Avalanche Pass.
Where do you park for the Mt Marcy-Avalanche Pass Loop?
The usual starting point for the Mt Marcy-Avalanche Pass Loop is the Adirondak Loj trailhead near Heart Lake on Adirondack Loj Road. Parking is at the Loj lot, which is the standard access for the Van Hoevenberg Trail toward Marcy Dam and Mount Marcy, and overflow parking may be used along Adirondack Loj Road when the main lot fills early.
Is the Mt Marcy-Avalanche Pass Loop hard?
Yes. The Mt Marcy-Avalanche Pass Loop is an extra-difficult route with 27.26 km of distance and 1,108 m of elevation gain, and it includes some of the most rugged terrain in the High Peaks. The Mount Marcy section is a sustained climb to New York’s highest summit at 5,344 feet, while the Avalanche Pass side is known for steep, rough trail, ladders, boulders, and narrow passage beside Avalanche Lake.
Can you backpack the Mt Marcy-Avalanche Pass Loop as an overnight trip?
Yes. The Mt Marcy-Avalanche Pass Loop is well suited to a backpacking itinerary because it is listed as a multi-day route and passes through the Eastern High Peaks Wilderness, where established camping areas such as the Marcy Dam area are commonly used. Overnight users in this zone must carry a bear-resistant canister between April 1 and November 30, and campfires are not allowed in the Eastern Zone of the High Peaks Wilderness.
Are dogs allowed on the Mt Marcy-Avalanche Pass Loop?
Dogs are allowed on the Mt Marcy-Avalanche Pass Loop, but this route is in the Eastern Zone of the High Peaks Wilderness, where dogs must be leashed at all times. That matters on this loop because the terrain is long, steep, and rough, especially around Avalanche Pass and the upper slopes of Mount Marcy, so it is only suitable for very fit trail dogs with solid mountain experience.
Is the Mt Marcy-Avalanche Pass Loop open right now?
Access can change on the Mt Marcy-Avalanche Pass Loop because the Avalanche Pass Trail has been subject to closure after mudslides from Mount Colden. That closure affects loop hikes returning to Adirondak Loj through Avalanche Pass, so current trail status should be checked before setting out rather than assuming the full loop is available.
What are the main landmarks on the Mt Marcy-Avalanche Pass Loop?
The Mt Marcy-Avalanche Pass Loop links several of the Adirondacks’ best-known landmarks in one trip. Typical highlights include Marcy Dam, Mount Marcy at 5,344 feet, Avalanche Pass, Avalanche Lake, and Lake Colden, with the pass running between Avalanche Mountain and Mount Colden and featuring dramatic cliffs, ladders, and shoreline catwalk sections.
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