And with 568 refuges across the country, most of them free, theyre practically in every Americans backyard.
Here are 15 options that can easily be paired with a national park visit.
And in the summer, when salmon return to Hidden Creek, brown and black bears frequent the area.
Dont miss the Nisqually Estuary Trail and its mile-long boardwalk.
No pets are allowed in the refuge.
Pets are not allowed in the refuge.
Summer is prime viewing time for one of the worlds speediest mammals.
And summer is when they migrate through the refuge.
