Alaska contains more designated Wild and Scenic River mileage than any other state, and it is not close. The interactive Alaska Wild and Scenic Rivers map below plots all 25 rivers and 67 protected segments — 3,004.8 miles of free-flowing water protected across the state’s vast national parks, wildlife refuges, and BLM lands. Wild segments dominate overwhelmingly: 52 of the 67 segments carry the highest Wild classification, reflecting how remote and roadless these corridors remain. The National Park Service administers roughly 41 percent of the mileage, the US Fish and Wildlife Service another 32 percent, and the Bureau of Land Management the remaining 27 percent. Click any segment for details on classification and managing agency.

Wild and Scenic Rivers in Alaska at a Glance

Alaska’s Wild and Scenic Rivers were largely designated as part of the Alaska National Interest Lands Conservation Act of 1980, the landmark legislation that created or expanded dozens of national parks, wildlife refuges, and conservation areas across the state. That single act added more protected river mileage than all other states combined. The rivers here are genuinely wild in the full statutory sense: no roads reach most of them, access is by floatplane or raft, and human settlement is essentially absent from most corridors. The Fortymile, Sheenjek, Wind, Alatna, and Alagnak are among the best-known, each threading through country that sees only a handful of float parties each season.

Classification Breakdown

The near-total dominance of Wild classification in Alaska reflects the state’s physical reality. Wild segments are defined as free of impoundments and generally inaccessible except by trail or water — conditions that describe virtually the entire Alaskan interior. Scenic segments, which may have some road or trail access, are concentrated near the few areas where road infrastructure exists. The two Recreational segments on the Delta Wild and Scenic River sit near the Richardson Highway corridor, one of the state’s few inland highways.

Managing Agencies

The three-way agency split in Alaska is unusual nationally. NPS administers rivers inside Alaska’s enormous national parks — Gates of the Arctic, Lake Clark, Katmai, Wrangell–St. Elias — while FWS manages rivers flowing through Arctic National Wildlife Refuge and Togiak National Wildlife Refuge. BLM covers the vast interior lowlands, including the celebrated Fortymile country east of Fairbanks.

Longest Designated Rivers in Alaska

The Fortymile is the most accessible of Alaska’s designated rivers, with put-ins reachable from the Taylor Highway northeast of Chicken — it is a multi-segment system that grades from roadside Recreational reaches down into deep canyon Wild water. The Sheenjek, by contrast, flows entirely through the Arctic National Wildlife Refuge: no roads, no bridges, no maintained trails. The Alagnak drains into Bristol Bay and is one of the most productive sockeye salmon rivers in the world, with its Wild segments threading through Katmai National Park country.

Where to Run, Hike, or Fish Alaska’s Wild and Scenic Rivers

For multi-day whitewater

The Fortymile is the gateway float for Alaska WSR paddling: the South Fork and Middle Fork segments offer Class II–III whitewater reachable by gravel road, making it one of the few self-supported multiday trips in the state that does not require a floatplane. For expedition-level paddling, the Ivishak in the Brooks Range drains through a series of bedrock gorges before spreading into the Sagavanirktok braids; access is by small plane from Fairbanks or Coldfoot. The Delta, accessible near Delta Junction off the Richardson Highway, is another viable self-drive put-in for wilderness float camping.

For hiking and access

True trail-based access to Alaskan WSR corridors is rare. The Alatna, which flows south out of the Brooks Range through Gates of the Arctic National Park, is approached via floatplane to Takahula Lake or Arrigetch Creek. The Unalakleet drains to Norton Sound on the Bering Sea coast and is accessible through the community of Unalakleet, which has scheduled air service. Float trips down most designated rivers require landing on gravel bars and setting up spike camps — there are essentially no maintained footpaths parallel to these rivers.

For native fish

The Alagnak (also known locally as the Branch River) is internationally known for sockeye salmon, rainbow trout, char, and grayling; lodge-based fly fishing is concentrated there in July and August when sockeye runs peak. The Sheenjek and other Arctic Refuge rivers support trophy arctic grayling and lake trout populations that see almost no angling pressure outside guided expeditions. The Mulchatna in the Lake Clark system is a key tributary for chinook and silver salmon runs that support both subsistence users and sport fishing in the Bristol Bay drainage.

Maps for Neighboring States

Alaska has no contiguous US neighbors with Wild and Scenic River spokes — it is geographically isolated from the lower 48. For the full national picture, see our US Wild and Scenic Rivers map covering all 249 rivers across 42 states and Puerto Rico.

Data Sources

River segment geometry, classification, mileage, and managing-agency attributes come from the US Forest Service Enterprise Data Warehouse, specifically the National Wild and Scenic River Segments dataset jointly maintained by the USFS, NPS, BLM, and US Fish and Wildlife Service. Source service: USFS EDW Wild Scenic River Segments. Authoritative national index: rivers.gov. State recreation and fish-management context: Alaska Department of Fish and Game, the relevant National Park Service Alaska regional offices, and the US Fish and Wildlife Service Alaska Region.