EASTERN IDAHO · SNAKE RIVER PLAIN

Where white quartz
meets the sky.

10,600 acres of shifting sand, 400-foot western bowls, and Egin Lakes at the eastern gateway. One independent guide for the ride, the camp, the closures, and everything around them.

0110,600 AcresClear, shifting white quartz sand
02400-Foot TerrainBig western bowls and steep faces
03Two GatewaysEgin Lakes east, big dunes west

Live Ride Console

Weather is live at the dunes. Seasonal access is computed from the BLM's published wildlife closures, with official alerts always taking priority.

Know the town.
Know the land.

Pair the official land manager with the local community calendar before you lock in the rest of your trip.

A gateway in town.
A different world west.

The St. Anthony Sand Dunes rise from the volcanic Snake River Plain like a pale mountain range. The east side opens around Egin Lakes; the west side grows into the bowls and faces riders travel across the country to experience.

The first planning decision is not simply where to ride. It is which side matches your crew, where your trailer will fit, whether a wildlife closure affects the route, and how far your fuel and daylight must carry you.

This guide puts those decisions together with exact starting points, real photographs, live weather, local services, and a trip planner built around St. Anthony rather than a generic desert.

01 · BEFORE THE SAND

Rules & registration

Idaho OHV requirements, nonresident certificates, safety flags, youth rules, and the official source for each.

Open the rules guide →
02 · EAST TO WEST

Ride your terrain

Smaller eastern dunes, Egin Lakes orientation, and the western bowls that demand more machine and more judgment.

Open the riding guide →
03 · BUILD THE BASE

Camp at Egin Lakes

Forty-eight BLM campsites, reserve-or-arrive choices, day use, trailer fit, and nearby private alternatives.

Open the camping guide →
04 · FLY IN AND RIDE

Rentals & support

Local machines, recovery help, parts, fuel, and the questions that belong in the booking call.

Open the rental guide →
05 · 400-FOOT COUNTRY

The safety fieldbook

Blind crests, big bowls, group protocol, emergency coordinates, and satellite SOS before you need it.

Open the fieldbook →
06 · KNOW YOUR SIDE

Map & staging

Egin Lakes, Red Road, Nine Mile, named bowls, closure lines, and the route back to camp.

Open the interactive map →

One dune field.
Two very different sides.

Start with the trip planner, then match the terrain, campground, closure calendar, and support stops to the crew you are actually bringing.

START HERE

Build your St. Anthony trip

Tell us your dates, experience, machine, camp style, and interests. Get a day-by-day plan with the right riding side, meals, fuel, official checks, and realistic drive times.

Open the trip planner →

Sand-ready,
not stuck at the gate.

Cell coverage thins west of Egin Lakes, wind can erase tracks, and seasonal wildlife closures change which side is open. Put the map, fuel threshold, and backup plan in place before the first machine moves.

Open the pre-trip checklist →
REGISTRATION

Know reciprocity

Idaho resident and nonresident requirements depend on where the machine is registered. Verify before towing.

CLOSURES

April 1 is not May 1

The big dunes and surrounding winter range generally reopen on different spring dates.

THE SAND

Start east

Air down within your equipment limits and use a conservative first lap before committing west.

Free Dune Guide USA Arcade

A little sand.
A lot of adventure.

Visit the virtual Egin Lakes and Red Road basecamps in the free Dune Guide USA Arcade. Explore the published campground scenes, then try the other available Adventures.

St. Anthony basecamps available now. The wider dune Adventure is still being built.

Enter the free Arcade →

Play in your browser. Virtual Adventures are for fun, not a substitute for current maps or riding rules.

The Dune Guide USA Network Arcade glowing beside the dunes at dusk
A rider holding Camp Compass open on a phone while tire tracks disappear across distant sand dunes

Free safety tool Works beyond the bars

Mark camp.
Find your way back.

Save camp before you ride. Camp Compass uses GPS satellites to show the distance and direction back, even where cell service disappears. Your marked camp stays on this phone unless you choose to share it.

  • Works offlineGPS does not need a cell tower
  • One compassUse it at every Dune Guide destination
  • Share your locationSend coordinates when help can reach you

Set it up before the trip. Installation needs a signal.

BUILD A BETTER WEEKEND

Your dune trip, in one simple plan.

Open trip planner ↗

Spot something out of date?

Hours shift, operators change, and the sand moves faster than any of it. If something here is wrong, tell us and we will fix it.