Utah

Zion's flagship campground sits inside the south entrance along the Virgin River with 176 sites beneath the 2,555-foot face of the Watchman itself. Reservations through Recreation.gov open six months out and sell out within minutes for spring and fall weekends — summer is only marginally easier because of 100°F+ canyon heat. A free shuttle from camp runs the entire scenic drive into the upper canyon (Angels Landing, the Narrows, Observation Point). Loops A and B accommodate RVs to 40 feet with electric hookups; loop C is tent-only. Cottonwood shade keeps mornings cool; afternoons require the river.

The only campground inside Arches National Park, with 51 sites carved into slickrock and juniper 18 miles from the visitor center. Devils Garden sits at the end of the scenic drive — step out of camp and you're on the trail to Landscape Arch and the Primitive Loop past Double O Arch and Dark Angel. Reservations are required March through October and open six months in advance on Recreation.gov; the campground books within the first hour of release. No hookups, minimal shade, dry firewood sold at the visitor center. Arches' timed-entry reservation system does not apply to campground holders.

An orchard campground — genuinely. The 71 sites at Fruita sit inside a working historic fruit orchard planted by Mormon pioneers in the 1880s; you can pick apples, pears, apricots, and cherries in season straight from the campground loops. Capitol Reef's Scenic Drive starts at the campground exit and climbs through the Waterpocket Fold past petroglyphs and the Hickman Bridge trailhead. The Fremont River runs past the orchard. Reservations are required March through October; a small first-come block fills before noon. No hookups, modern restrooms, a dump station on the way out.

Bryce Canyon's most scenic campground, named for Sunset Point — a 5-minute walk to the rim where the hoodoo amphitheater lights up orange at last light. At 8,000 feet, Sunset is dramatically cooler than the Mighty Five's desert parks even in July, and loops stay in ponderosa pine shade all day. Loop A accepts RVs up to 30 feet; loops B and C are tent-oriented. Reservations are required May 15 through October 15 through Recreation.gov. Cold nights year-round — the shoulder seasons drop into the 30s and the campground closes by the first heavy snow, usually late October.

Canyonlands' Needles District is the park's hiking heart, and Squaw Flat Campground puts you in the middle of it. The 26 sites sit among red-rock fins and slickrock at 5,100 feet, with the Chesler Park, Peekaboo, and Druid Arch trailheads all starting within a few miles of camp. The drive in from US-191 is 35 miles of pavement through ranchland and slickrock — the last gas station is Monticello. Reservations are required spring and fall on Recreation.gov; summer is first-come, first-served and usually has afternoon availability. No hookups.

Canyonlands' Island in the Sky is a 6,000-foot mesa between the Green and Colorado rivers, and Willow Flat's 12 sites on top of the mesa are the only developed camping in the district. It's first-come, first-served only — no reservations — and typically fills by noon in spring and fall. The payoff is darkness: Island in the Sky is certified International Dark Sky, and the Milky Way over Green River Overlook is as good as the Lower 48 gets. No water on-site (fill up in Moab), no hookups, pit toilets. Mesa Arch is a 10-minute drive.

The Mirror Lake Scenic Byway crests the Uintas at 10,700 feet, and Mirror Lake itself is the byway's signature stop — a glacial lake at 10,200 feet with Bald Mountain reflecting off the surface in calm morning light. The 78-site campground is stocked with trout, accepts reservations on Recreation.gov from late June through September, and closes once the byway gates for winter (usually mid-October). Bring warm layers: nights drop into the 30s even in July, and afternoon thunderstorms over the high Uintas are frequent. The Bald Mountain Pass trailhead is 5 miles south.

Spruces sits at 7,400 feet in Big Cottonwood Canyon east of Salt Lake City, a 40-minute drive from the airport and one of the most accessible alpine campgrounds in the West. The 97 sites are spread under Engelmann spruce and quaking aspen along Big Cottonwood Creek, with the Donut Falls, Lake Blanche, and Brighton backcountry trailheads within a short drive up-canyon. Reservations on Recreation.gov open six months out and book fast for summer weekends. No hookups, dump station on-site, daytime highs 15–20°F cooler than Salt Lake Valley.

An alpine escape from Moab's desert heat. Warner Lake's 20 sites sit at 9,200 feet in the La Sal Mountains, 22 miles from town on a graded gravel road (the last 8 miles are rough — high-clearance recommended for trailers). The lake holds brook trout, the Oowah Lake and Burro Pass trails leave from camp into the La Sal high country, and the Whole Enchilada mountain-bike route drops from nearby Geyser Pass down to the Colorado River. Reservable through Recreation.gov. No hookups, pit toilets, bring drinking water — August nights dip into the 30s.

A vast primitive camping area on a Lake Powell beach in Glen Canyon National Recreation Area, 13 miles north of Page, Arizona, on the Utah side. Camping is dispersed across acres of compacted sand — drive on, pick a spot, pay the kiosk — with the namesake 300-foot sandstone monolith a quarter-mile offshore. It's one of the few places in the Lower 48 where you can park an RV on a beach and launch a boat from camp. No reservations, no hookups, vault toilets only. Summer heat is relentless (100°F+); bring shade. Fall and spring are perfect.