HSL → GAL

Koyukuk River Oxbows

Incredible views of one of the most winding rivers in North America, featuring tight loops and dramatic 'hairpin' turns.

Abandoned Channels

Dozens of crescent-shaped oxbow lakes that were once part of the main river channel, now isolated in the wetlands.

Yukon River Confluence

As you approach Galena, look for the scale shift where the Koyukuk approaches the much wider, silty Yukon River.

Galena Approach

A low-altitude view of the former Galena Air Force Base runway as you align for landing near the riverbank.

Koyukuk National Wildlife Refuge

Vast stretches of subarctic wetlands and boreal forests that are home to thousands of moose and migratory waterfowl.

Nulato Hills

To the east, the rolling peaks of the Nulato Hills provide a rugged backdrop to the low-lying river basin.

Permafrost Landscapes

Visible patterns of thermokarst lakes and polygon ground formations characteristic of the interior Alaskan tundra.