Yosemite Valley sits in the Sierra Nevada, a few hours from San Francisco or Fresno. In peak months you need a day-use reservation. El Capitan and Half Dome are the walls. The valley floor is the walk. Glacier Point is the other view if the road is open. This is not a neighbourhood of a city. It is a park with traffic, bears, and weather that turns.
A valley that invented a kind of park
The Ahwahneechee lived here. The Mariposa Battalion entered in 1851. Photographers and painters — Watkins, Bierstadt, later Adams — turned the granite into a national argument. Lincoln signed the Yosemite Grant in 1864, handing the valley to California; it became a national park in 1890, with John Muir in the chorus. The firefall, the roads, the Ahwahnee hotel, the climbing culture on El Cap: each layer added a crowd.
Half Dome’s cables are a lottery in season. El Capitan’s face is a watching sport from the meadow. Yosemite Falls runs in spring and dwindles. Mist Trail to Vernal and Nevada is the walk that makes the valley make sense, and the one that destroys knees wearing the wrong shoes. Tunnel View is the photograph you have already seen. It still works at an hour when the parking is not a second hike.
Why the reservation exists
Because the valley is small and the country is not. Because Instagram did to Tunnel View what the railroad did to the Ahwahnee. Because the park had to choose between a parking lot and a place. It is popular for reasons that are not cheap: granite at that scale is rare, and the valley concentrates it. Go anyway. Go with a plan.
If you go
Sleep in the valley or just outside. Do not try to see it as a side trip from the Golden Gate on the same day. One trail is enough. Carry water. The bears are not a joke about bins. Winter is a different park, quieter and colder, and often the better one if the roads are open.