This has created some friction with pro-development groups, including Yupik natives who would like to develop on land claims they have that predate the establishment of the park.

All five major salmon species breed in the park, with sockeye considered the most important for subsistence fisheries in the area.

[6] Other wildlife in the park include whitefish, black and brown bears, moose, caribou, wolverines, marmots, porcupines, otters and foxes.

The Wood River system of lakes are all directly connected to one another by streams, forming a water trail of over 85 miles (137 km).

[5] The lakes of these two systems are large and deep, ranging from 15 to 45 miles (24 to 72 km) long and maximum depths of 342 to 940 feet (104 to 287 m).

[2] The site has a boat launch, gas and aviation fuel sales, and ranger headquarters for both state parks.