SEASON: Higher up, prime hiking starts in July and extends into October. River valleys are usually snow-free even in winter, though fall, winter, and spring bring the rain.
MAPS: Green Trails Seven Lakes Basin/Mount Olympus Climbing (Hoh River Trail); Tyler Peak (Royal Basin); Mt. Angeles and Tyler Peak (Four Passes Loop); Mt. Steel and The Brothers (Mt. Ellinor); $6 each, greentrails.com Guidebooks Olympic Mountains Trail Guide, by Robert Wood ($19); Climber’s Guide to the Olympic Mountains, by Olympic Mountain Rescue ($17); both from mountaineersbooks.org
BEAR PROTOCOL: Food canisters are required and available (free, $3 donation suggested) from the Wilderness Information Center.
PERMITS: Required ($5, plus $2/person/night). Reserve no more than 30 days in advance.
CONTACT: Wilderness Information Center, (360) 565-3100, nps.gov/olym/wic/index.html nps.gov/olym.
-Mapped by Elisabeth Kwak-Hefferan and Ted Alvarez