Operating hours
Sunrise to sunset for day visitors; permitted backpackers are excepted.Evidence and sources (1)
Evidence stance: supports · Evidence details
NPS identifies Yosemite as a nearly 1,200-square-mile Sierra Nevada national park, open 24 hours every day; Hetch Hetchy is open only sunrise to sunset except for permitted backpackers.
Observation details · Source details · Original source: National Park Service