Situated on the Cowlitz River in the beautiful Cascade Mountains of Washington, Maple Grove Resort offers the best of camping accommodations and a variety of activities for your enjoyment. This mountainous area is in the northern part of the Gifford Pinchot National Forest, 1,299,546 acres of mountains, meadows, caves, canyons, streams, and lots of beautiful scenery. Many varieties of animals and birds, as well as salmon and trout, make their home in this forest.