Kontrashibuna Lake Trail

Overview

Kontrashibuna Lake is the quiet, wild side of the Port Alsworth trail network: a turquoise lake tucked beneath rugged peaks with a real shot at solitude. The first stretch is easygoing on a maintained path; beyond the lake outlet you trade tread for shoreline game trails and beaches. If you’re craving a wilder feel without committing to a full expedition, this one hits the sweet spot.

Distance and route options

From the Tanalian Trailhead in Port Alsworth, it’s about 3 miles one way to the lake outlet (roughly 6 miles round trip). Many day hikers combine the stop at Tanalian Falls, making the visit roughly 6–6.5 miles total. Past the outlet, the established trail ends. Continuing along the shore to the head of the lake is approximately 14 miles one way from the outlet (about 17 miles one way from the trailhead). Expect 10–15 hours one way if you commit to the full shoreline traverse. Elevation to the outlet is minimal if you stick to the main path; along the shore, the ups and downs stay small but the footing and brush make it more work than the numbers suggest.

What it’s like

The maintained approach is straightforward and scenic, with a rewarding pause at Tanalian Falls. Once you hit the lakeshore, the character flips to true Alaska: uneven footing, brushy sections, the occasional wind‑blown tree, and two small stream crossings that are usually less than knee‑deep unless water is high. In return you get that unreal blue water, mountain reflections, and long stretches where you won’t see another soul. Lower water in spring and late fall exposes more beach and can make the shoreline walking easier.

Access and logistics

There’s no road access. Most visitors fly to Port Alsworth and start from the Tanalian Trailhead, or arrange a floatplane directly onto Kontrashibuna Lake in summer. In winter, ski planes may land on the lake when ice conditions allow. Port Alsworth’s airstrips are private and may charge landing fees—plan ahead with your air taxi.

Wildlife, fishing, and camping

Both brown and black bears commonly use the same lakeshore game trails you’ll be walking—make noise, carry spray, and manage food odors. Bald eagles are a good bet overhead. The lake offers fishing for Arctic char and lake trout. There are no designated campsites, but you’ll find obvious previously used spots; choose durable surfaces, keep a clean camp, and cook at least 100 yards from your tent. A bear‑resistant food container is strongly recommended and can be borrowed in Port Alsworth. Expect mosquitoes and biting flies in season, and don’t count on cell service.

Best time to hike

Late spring and fall shoulder seasons often provide firmer beaches and lower water for easier shoreline travel, plus fewer bugs. Summer brings warmer temps and great fishing, but also thicker brush and more insects. Light is beautiful all day in summer—early and late hours are especially good for photography with calmer water and fewer people near the falls.

Bottom line

As a day hike to the outlet with Tanalian Falls, this is a low‑stress, high‑reward outing. Push up the shoreline and it becomes a legitimate backcountry adventure with route‑finding, brush, bears, and big mileage. Choose the version that matches your appetite—and bring a bear can even on a mellow day if you plan to fish or linger.