My husband and I will be spending this weekend at Yosemite NP. We are flying into SFO tomorrow, arriving at noon and hoping to be at the park around 5 p.m. We have 2 nights lodging booked at the Half Dome cabins. On Friday, I was hoping to check out Tunnel View and drive up to Glacier Point for the sunset. Is this realistic on a Friday evening or will there be no parking at Glacier Point such that I'd be better off staying in the Valley and doing a short walk? Thanks in advance for any input!