Alagnak Wild River is the upper 69 miles of the Alagnak River on the Alaska Peninsula, flowing from Kukaklek Lake beside Katmai National Park and Preserve. It was added to the National Wild and Scenic Rivers System in 1980.[1]

| Designated reach | Upper 69 miles |
|---|---|
| Source | Kukaklek Lake |
| Designation | Wild and Scenic Rivers System, 1980 |
| Location | Alaska Peninsula, next to Katmai |
| Wildlife | Brown bears, caribou, moose, beavers, foxes |
| Land ownership | Much of corridor is private |
Description
The designated reach runs 69 miles from Kukaklek Lake and lies adjacent to Katmai National Park and Preserve on the Alaska Peninsula.[1]
Fish and wildlife
The river provides critical habitat for many Pacific salmon species, and residents still use salmon for subsistence. It also supports brown bears, caribou, moose, beavers, foxes and birds.[1]
Recreation
Visitors come for sport fishing, including fly-in fishing, and for rafting, with lazy floats on the braided river and Class III rapids in some sections. Primitive camping and sport hunting and trapping also occur. Much of the river corridor is private land, so visitors need landowner permission before entering. A baseline water quality and inventory study was completed in 2001 and research continues.[1]
FAQs
How long is the Alagnak Wild River? The designated upper reach is 69 miles.
When was it designated? 1980.
Is the land public? Much of the corridor is private, so permission is needed.
Sources
Key facts
- 69 designated miles
- Wild and Scenic 1980
Quick checkWhere does the Alagnak start?Show answer
Kukaklek Lake
Sources
- National Park Service. Alagnak Wild River: A Lifeline Through Tundra. 2026 (accessed 2026-11-13)
Editorially reviewed by Specialty Digest Editorial TeamLast reviewed November 13, 2026Researched and drafted with AI assistanceReport an issue