Twin Falls is a scenic waterfall located in Olallie State Park, featuring a 135-foot drop through a narrow rock canyon. The trail is a 2.5-mile out-and-back hike that offers multiple viewpoints of both the upper and lower falls. The hike includes switchbacks through lush forest and offers opportunities to see wildlife like elk. The trailhead is easily accessible from I-90, making it a convenient stop for those exploring the area. Features a long bridge offering stunning views of the falls.