Crawford State Park is a 49-acre, forested day-use park featuring Gardner Cave, the third longest limestone cavern in Washington. This tourable cave is filled with stalactites, stalagmites, rimstone pools and flow stone. Gardner Cave is the third longest limestone cavern in Washington. Its early history is unknown. Contemporary accounts indicate the cave was discovered in the summer of 1903 by Mr. Ed Gardner, who homesteaded a quarter section near the cave.