• Autumn photo of Lake Clark and the Aleutian Range in Lake Clark National Park & Preserve

    Lake Clark

    National Park & Preserve Alaska

Federal Facilities

The possession of firearms is prohibited in the following Lake Clark National Park and Preserve facilities:

Port Alsworth Field Headquarters Building

Port Alsworth Visitor Center

Port Alsworth Field Maintenance Building

Did You Know?

Lake Clark is fed by snowfall and glaciers in the surrounding mountains.

Lake Clark is 1056 feet deep and covers 128 square miles. Thousands of years ago, the lake (and nearby Lake Iliamna) may have been open to salt water before being closed off by glacial outwash deposits.