Camping inside the valley is very hard to find too. My personal reason is that I'll be hiking the John Muir Trail for 3 weeks - camping in the wilderness for 20

Camping inside the valley is very hard to find too. My personal reason is that I'll be hiking the John Muir Trail for 3 weeks - camping in the wilderness for 20 nights - on Monday and want to have one last night of relative comforts :)