Several RV parks near Yosemite National Park offer full hookups (water, sewer, 30/50-amp electric) and paved (blacktop/concrete) pads:
~25 miles from Yosemite Valley via CA-140. Full hookups, paved pads, pool, playground, store, café, glamping tents. Open year-round.
~45 miles via CA-120 (Big Oak Flat entrance). Full hookups, paved pull-throughs, pool, hot tub, clubhouse, mini-golf, pet-friendly. Seasonal (Apr–Oct).
~17 miles from Valley via Wawona Road. Full hookups, paved pads, clubhouse, laundry, pet-friendly. Seasonal (typically May–Oct).
~40 miles via CA-120. Full hookups, paved sites, lake access, golf, restaurant. Seasonal.
Tip: Book 6–12 months early for summer. Verify hookup availability and pad type when reserving.