"A popular loop in summer, Naches Peak Trail offers small mountain lakes, subalpine forest, good views of Mount Rainier, and a worthwhile side trip to Dewey Lake. The Naches Peak Trail straddles the national park boundary, which means it is subject to somewhat different rules than other hikes.
For instance, you do not have to pay an entrance fee to hike this trail, as long as you leave your car outside the park boundaries. Keep in mind that a forest service or interagency pass may be required. Also, pets are allowed on the portion of the trail outside the park boundary. These facts, coupled with a nice picnic area and stellar views, make Naches Peak a popular summer hike. If you bring a pet, however, you cannot complete the loop and must turn around at the park entrance sign, where the Naches Peak Trail intersects the Pacific Crest Trail."