May: Yosemite's waterfalls usually peak in May and June with snowmelt. Yosemite Falls roars, and the Mist Trail earns its name. No reservation is needed to enter in 2026.
Permits and reservations
A reservation is not required to enter Yosemite in 2026.
Half Dome permits: The preseason lottery runs March 1–31 (225 permits per day), with results in mid-April. During the season, a daily lottery opens 2 days before your hike (midnight–4 p.m. PT) with results that night. $10 application + $10 per person.
Wilderness permits: 60% of each trailhead's quota goes by lottery 24 weeks ahead. The other 40% releases 7 days ahead.