You're on your own
Top hazard
$0
Entrance fee
Zero
Roads & trails
8.4M acres
Brooks Range wilderness
6 rivers
Wild & Scenic
14,923
2025 visits
Extreme Remoteness & Safety"You're on your own"▾
Access & EntryNo fee · No roads▾
Main Air HubBettles
~20 mi south of the park boundary
The main air-taxi staging point, with an NPS ranger station and visitor center.
NPS Bettles info ↗
Dalton Highway AccessColdfoot
Arctic Interagency Visitor Center (staffed summer only)
Anaktuvuk Pass is a Nunamiut village NPS describes as located "inside the park's boundaries" — a good starting point for exploration.
NPS Coldfoot info ↗
Wild & Scenic Rivers6 designated rivers▾
Fully Within the Park4▾
North Fork KoyukukFlows through "the Gates" — Frigid Crags and Boreal Mountain, the park's namesake feature
John RiverCentral, flows south
Alatna RiverWest, flows south
Tinayguk RiverEast, flows south into the North Fork Koyukuk
Headwaters Only2▾
Noatak RiverHeadwaters in GAAR; most of its length runs through neighboring Noatak National Preserve
Kobuk RiverHeadwaters in GAAR; most of its length is outside the park
Caribou MigrationWestern Arctic Herd▾
Camping & PermitsNo permit required▾
Park Contact Information