Valley of Ten Thousand Smokes · about 3.4 mi · Strenuous
Best months to visit
July: July is peak season at Brooks Falls, when brown bears line up to catch leaping sockeye salmon. It's one of the most famous wildlife sights on Earth.
September: The second bear season. Bears gorge on spawned-out salmon along the Brooks River as they fatten up for winter, the lead-in to Fat Bear Week in early October.
Permits and reservations
No permit or reservation is needed to enter. No permit is needed for backcountry camping either, but anyone camping at Brooks Camp inside the red circle must have a Brooks Camp Campground reservation.
Brooks Camp Campground: Released in three blocks at 8 a.m. (Alaska time). In 2026: Jan 7 for May 1–Jun 30, Feb 7 for Jul 1–Aug 31, Mar 7 for Sep 1–Oct 31. Peak bear dates sell out almost immediately.
All 20 trails in Katmai
Brooks Bridge Trail to Viewing Platform · 0.18 mi round trip · Easy