When we recently visited Bryce and Zion we tried to find a campground midway. We ended up staying north of St George in Cedar City at the KOA and it was good. We were able to see Zion and Kolob Canyon in one day and Bryce the next.
06 Millennium Prevost
15 HD Limited Low and 16 HD Triglide (DW)
13 Avalanche Black Diamond with Cruiser Caddie