Is camping free in Olympic National Park?

Camping in Olympic National Park is not free. There are several developed campgrounds within the park that require fees, which typically range from $15 to $22 per night, depending on the campground and time of year. You can find more information about camping in Olympic National Park on Hipcamp. If you're planning to camp in the park's backcountry, you'll need a wilderness camping permit, which also comes with a fee.