As the others have already said. Good campground. Can get a bit busy. Verizon cell service good. The road in is 4-wheel drivish. But short and if your brave and don't mind leaving some metallic behind you can make it 2-wheel drive too. (mostly just about the clearance)

Great spot for hiking , view and cell signal

After you pass the group campground site the first road to your right have very good cell service for T-Mobile. Becareful with the bumpy road.