Sand Hollow State Park
Utah

Sand Hollow State Park

Available Activities
  • Hiking
  • Camping
  • Swimming
  • Fishing
  • Boating
  • Wildlife Watching
  • Photography
  • Picnicking
  • Bird Watching
  • Cross Country Skiing
  • Paddleboarding
  • Water Skiing
  • Kayaking
  • Paddling
  • RV
  • Beach
  • ATV Riding

🏜️ Official IRONMAN 70.3 Swim Location – Warm-Water Reservoir, 15,000 Acres of OHV Dunes, Scuba with Sunken Aircraft. All info verified January 2026.

Picture turquoise water surrounded by red sand dunes and desert cliffs—a scene that feels more like the Sahara than Utah. Sand Hollow State Park delivers exactly this: a 1,322-acre warm-water reservoir where the water temperature hits 86°F in summer, set against a backdrop of 15,000 acres of pristine sand dunes ready for OHV exploration.

Located just 13 miles east of St. George and 45 minutes from Zion National Park, Sand Hollow is one of Utah’s newest and most popular state parks. It’s the official swim location for IRONMAN 70.3 St. George, a mecca for ATV riders, and—here’s what the other guides don’t tell you—home to underwater scuba sites including a sunken Cessna 320 airplane and a Volkswagen bus. Whether you’re wakeboarding, cliff jumping, or camping on the beach under the stars, Sand Hollow delivers desert water adventures unlike anywhere else in Utah.

What Makes Sand Hollow Special

💧

Warm Water Reservoir

1,322 acres at 81-86°F—one of Utah’s warmest lakes.

🏍️

15,000 Acres OHV

Sand dunes, canyons, technical trails—ATV/UTV paradise.

🤿

Scuba Diving

Sunken airplane, VW bus, obstacle course—unique!

🏕️

Beach Camping

120 campsites including primitive beach spots.

Sand Hollow Reservoir

The heart of the park is the 1,322-acre reservoir—and unlike most Utah lakes, the water is genuinely warm. From May through September, temperatures hover between 81-86°F, making it perfect for swimming without a wetsuit.

Water ActivityDetails
🏊 SwimmingMultiple beach areas; 81-86°F in summer
🚤 Boating/Jet SkiBoat ramp, marina, rentals available
🏄 WakeboardingPopular—plenty of room on 1,322 acres
🛶 Paddleboarding/KayakingRentals at Sand Hollow Rentals on south shore
🎣 FishingBluegill, crappie, largemouth bass, catfish
🪂 Cliff Jumping20+ ft jumps at northwest shore and Desert Pearl Island

IRONMAN 70.3 Swim Location

Sand Hollow Reservoir is the official swim venue for the IRONMAN 70.3 St. George triathlon and associated world championships. The warm, clear water and scenic desert backdrop make it one of the most unique triathlon swim courses in the world.

Scuba Diving (Hidden Gem!)

Here’s what most guides don’t mention: Sand Hollow has some of Utah’s most unique scuba diving. Submerged in the reservoir are:

Underwater FeatureDepthNotes
✈️ Cessna 320 Airplane~40 ftTwin-engine aircraft—unique dive experience
🚌 Volkswagen BusVariesClassic VW van submerged for divers
🎯 Obstacle CourseVariousTraining structures for dive practice

🤿 Dive Info

Visibility is best in spring/fall (30-50 ft). Several St. George dive shops offer certifications and guided dives at Sand Hollow. Water temps make this one of the most comfortable freshwater dives in the region.

OHV & ATV Trails

Adjacent to the reservoir, Sand Mountain offers 15,000 acres of BLM-managed OHV terrain—one of Utah’s premier destinations for ATV, UTV, and dirt bike riding. Stage your vehicle at the park and access the dunes via a tunnel.

TrailDistanceDifficultyHighlights
🏍️ Sand Hollow Reservoir OHV Trail12 miEasyPoint-to-point; good for all skill levels
🔄 Milt’s Mile Extended Loop4.6 miModerateTechnical sections; 639 ft elevation gain
⚠️ The Maze OHV Trail11.5 miHardExpert only—cliff exposure, steep climbs

Rentals: ATV/UTV rentals available on-site through the park concessionaire. Guided tours also available through local outfitters.

Camping

Sand Hollow offers 120 campsites across two campgrounds plus primitive beach camping:

CampgroundSitesTypeFeatures
🏕️ Westside Campground50Full hookupsCovered tables, fire rings, showers
🏍️ Sandpit Campground30Dry/PowerOHV access, ATV drive-in allowed
🏖️ Beach Primitive40+PrimitiveSelf-contained only (Oct-Mar), on beach

⚠️ Reservations

Campsites fill fast, especially on weekends and during summer. Book at ReserveAmerica well in advance.

Fees & Hours

Fee TypeUtah ResidentsNon-Residents
🚗 Day Use (Mon-Thu)$15$30
🚗 Day Use (Fri-Sun)$20$30
👴 Senior Day Use$10$30
🚶 Walk-In$5$5
📅 Annual Pass$125

Hours:

  • Summer (Daylight Saving): 6 AM – 10 PM
  • Winter: 7 AM – 9 PM
  • Boat Decon: 7 AM – 7 PM (summer) / 7 AM – 5 PM (winter)

Important Notices

NoticeDetails
🦠 Swimmer’s ItchMicroscopic parasites present—rinse off after swimming; more common in shallow areas
🦪 Boat DecontaminationALL boats must pass decon inspection before launching—protects against invasive mussels
🌡️ Summer HeatTemps exceed 100°F in July/August—bring extra water, seek shade
🔥 Fire RestrictionsCheck current fire restrictions before campfires

Getting There

  • 📍 Address: 3351 Sand Hollow Rd, Hurricane, UT 84737
  • 📍 From St. George: 13 miles east (~20 min)
  • 📍 From Zion National Park: 45 minutes
  • 📍 From Las Vegas: 2 hours (120 miles)
  • 📍 From Salt Lake City: 4.5 hours (300 miles)

Frequently Asked Questions

Can you swim at Sand Hollow State Park?

Yes! Swimming is one of the main attractions. The reservoir has multiple beach areas with natural red sand. Water temperatures reach 81-86°F in summer—one of Utah’s warmest lakes.

Is Swimmer’s Itch active at Sand Hollow?

It can be. Swimmer’s Itch is caused by microscopic parasites in the water—more common in shallow, marshy areas. Rinse off immediately after swimming and towel dry vigorously to reduce risk. Most people experience mild, temporary irritation if affected.

Do you have to pay to get into Sand Hollow?

Yes. Day-use fees are $15-20 for Utah residents and $30 for non-residents per vehicle. Walk-in is $5. An annual Utah State Parks pass ($125) covers entry to all 44 state parks.

Is Sand Hollow State Park worth visiting?

Absolutely. With warm water, red sand beaches, world-class OHV riding, scuba diving with sunken aircraft, and camping right on the beach—all within 45 minutes of Zion—Sand Hollow offers a unique desert water experience found nowhere else in Utah.

Can you scuba dive at Sand Hollow?

Yes! Sand Hollow has unique underwater attractions including a sunken Cessna 320 airplane, a Volkswagen bus, and an obstacle course. Local dive shops in St. George offer guided dives and certifications.

How far is Sand Hollow from Zion?

Sand Hollow is approximately 45 minutes from Zion National Park, making it an excellent day trip or overnight camping destination when visiting Zion.

🏜️ Where Desert Meets Water

Sand Hollow defies expectations. Warm turquoise water surrounded by red sand dunes. Beach camping under the stars. ATVs roaring through 15,000 acres of desert. Scuba diving to find a sunken airplane. Cliff jumping into 86°F water. This is the Utah lake experience you didn’t know existed—and it’s just 45 minutes from Zion. Whether you’re racing in IRONMAN or just floating on a lazy afternoon, Sand Hollow delivers adventure the desert way.

📍 Address: 3351 Sand Hollow Rd, Hurricane, UT 84737

📞 Phone: (435) 680-0715

→ Official Utah State Parks Website

State Parks Team
Written by

State Parks Team

Editorial Team

The State Parks Team is a group of outdoor enthusiasts, researchers, and travel writers dedicated to showcasing America's state parks. Drawing on collective experience visiting parks in all 50 states, the team creates detailed guides, curated park lists, and practical tips to help visitors make the most of their state park adventures. Our mission: making America's state parks accessible and enjoyable for everyone.

Last updated: February 8, 2026

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