Overview: The Lost Lake Trail is a spectacular full-day hike nestled within Chugach National Forest, winding through old-growth rainforest, dramatic canyons, and high alpine terrain to a serene glacial lake. It’s celebrated for its lush Sitka spruce and hemlock forests, mountain-framed vistas—including Resurrection Bay and Mount Ascension—and the chance to encounter wildlife like marmots, mountain goats, moose, and bears. Perfect for both adventurous day hikers and those aiming for backcountry exploration.

Trail Details:

• Trail Length: Approximately 13.7 miles

• Duration: Typically 6 to 8 hours
  

• Difficulty Level: Hard—challenging terrain, sustained uphill, and exposed alpine sections
  

• Elevation Gain: About 2,550 feet

• Trail Type: Out-and-back

  
  

Key Features:

• Rainforest Beginning: You’ll begin under towering Sitka spruce and hemlock, with lush undergrowth and berry bushes—especially salmonberries around miles 3–4—leading to a shaded, refreshing start.

• The Gorge & Mountain Views: Beyond about 2 miles, the path opens into a roaring Box Canyon. Jagged cliffs, a hanging glacier, distant Resurrection Bay, and possible mountain goat sightings create a dramatic alpine atmosphere .

• Alpine Meadows & Lost Lake: Above treeline at roughly mile 5, the trail transitions into alpine meadows and rocky terrain before it descends gently toward the reflective alpine Lost Lake, surrounded by mountain ridges and views of the bay.

• Wildlife & Fishing: Wildlife such as marmots, mountain goats, moose, and bears are common along the route. Anglers can try rainbow trout fishing at the lake’s outlet (check current ADF&G regulations).

  
  

Trailhead Information:

• Starting Point: Access from Seward Highway at Milepost ~5; follow Lost Lake Trail Road to parking and trailhead.

• Cabin & Campsites: Dale Clemens Cabin is accessible via a 1.4-mile side trail from mile 3.7 (reservation required). Designated camping spots are at mile 3.68 and near mile 7.3 on the north side of a bridge. Please camp out of sight of the trail and lake and avoid building campfires above mile 4.3 to protect the delicate ecosystem.

  
  

Best Season to Visit:

• Summer (June to September): Ideal hiking conditions and nonstop daylight—though mud and lingering snow may still affect vegetated and higher segments in early summer.

• Winter: The trail becomes a snowmobile corridor, with a marked winter route. Winter hikers must be prepared for icy initial segments, avalanche risk, thin lake ice, and navigational challenges above treeline.

  
  

Trail Tips:

• Gear: Hiking boots are essential; trekking poles are highly recommended on slippery or steep sections.

• Water: Bring enough; filter any lake or stream water to avoid Giardia risk.

• Wildlife Safety: Carry bear spray, make your presence known via talking or singing, and practice safe encounters.

• Leave No Trace: Pack out all trash, avoid campfires in upper areas, and preserve trailside vegetation—especially above timberline.

  
  

Trail Highlights:

• Whispering rainforest start, bursting with berry bushes

• Box Canyon’s awe-inspiring cliffs and glacier views

• Panoramic alpine meadows and reflective Lost Lake framed by mountains

• Wildlife encounters and serene fishing opportunities

• Dale Clemens Cabin and campsite options for those pushing into overnight trips

Lost Lake Trail offers a rich blend of temperate rainforest immersion, rugged alpine beauty, and solitude with wildlife—making it one of the Chugach’s most rewarding hikes, whether you’re aiming for a full day of adventure or an extended backcountry experience.

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