Washington has 41 trails including easy, extra difficult, difficult, and medium difficulty trails. The trail with the highest elevation climb is Chelan Summit Trail and the one with the least climb is Olympic Coast Trail - North. The longest trail is Pacific Northwest Trail at 2010 km. To complete this hike you should budget at least 121 days. For a shorter adventure you can try Royal Basin at 25.2 km. This could be done in as little as 2 days. Trails with the best offering of hostels include Pacific Crest Trail - Washington, Pacific Northwest Trail, Great Allegheny Passage, Olympic Discovery Trail, and Pacific Crest Trail - Henry M Jackson Wilderness.