Gates of the Arctic National Park and Preserve is a US national park that protects parts of the Brooks Range in northern Alaska. The park is the northernmost national park in the United States.
The John River is a 125-mile tributary of the Koyukuk River in the northern part of the U.S. state of Alaska.
The Tinayguk River is a 44-mile tributary of the North Fork Koyukuk River in the U.S. state of Alaska. Heading in the Endicott Mountains of the Brooks Range.