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Places to ride · Idaho

St. Anthony Sand Dunes

More than ten thousand acres of white quartz sand with dunes up to 400 feet. The northern Rockies' answer to Glamis, and Packard's own test ground.

~4,900 ftElevation at the staging area
−15%Power lost to thin air, naturally aspirated
May–SepPrime season

Know before you go

Fees, rules and the lay of the land.

Managed byBureau of Land Management

Rules, closures and current conditions come from them. Fees and rules below are from their page, read November 10, 2026.

FeesDay use $10 a day

Camping fees vary by site.

The place10,600 acres of white quartz sand

Dunes up to 400 feet high.

Winter closure

The big dunes west of Egin Lakes Campground and the area south of Egin-Hamer Road are closed January 1 through sunrise on April 1.

Fees and rules change. Check the Bureau of Land Management page before you haul.

What the elevation does

Thin air takes 15% here.

Pick a naturally aspirated machine

Rated225 hp
At ~4,900 ft~192 hp

Standard atmospheric math: roughly 3% per 1,000 feet for a naturally aspirated engine. Not a dyno claim.

Turbo and supercharged cars.

A turbocharged machine (Can-Am Maverick R, Can-Am Maverick X3, CFMOTO Z10) can spin its turbo harder as the air thins, so it loses far less. We don’t put a number on that.

A supercharger breathes the same thin air, so it gives up a similar share. It just starts from much higher.

Tunes written for your fuel and elevation →

What to run

Set up for St. Anthony Sand Dunes.

Paddles all day. Cooler air helps density a little; the elevation still takes its cut.

Sand tiresSteers and paddles → Forged wheelsBeadlock or standard lip → TunesFor your fuel and elevation → SuperchargersPower to spare up high → FitmentWhat fits your machine →

Where it is

St. Anthony Sand Dunes, Idaho.

ArizonaCaliforniaOregonUtahIdahoNevadaPackard · ClearfieldSt. Anthony

Dunes up to 400 feet high.

Open in Google Maps ↗Bureau of Land Management page ↗

More places to ride

Oceano Dunes Sea levelGlamis ~300 ftDumont Dunes ~800 ftSand Hollow ~3,000 ftSand Mountain ~4,000 ftLittle Sahara ~5,200 ftCoral Pink Sand Dunes ~5,900 ftAll places →

Questions

St. Anthony Sand Dunes questions.

What is the elevation at St. Anthony Sand Dunes?

About 4,900 feet at the staging area.

How much does it cost to ride at St. Anthony Sand Dunes?

Day use $10 a day. Camping fees vary by site. That is from the Bureau of Land Management page as of November 10, 2026; check the official page before you haul.

How much power does my machine lose at St. Anthony Sand Dunes?

A naturally aspirated engine loses roughly 3% of its power per 1,000 feet, so about 15% here. A Polaris RZR Pro R rated at 225 hp makes about 192 hp. Turbocharged machines lose far less.

When is the best time to ride St. Anthony Sand Dunes?

Riders go mostly May–Sep. The big dunes west of Egin Lakes Campground and the area south of Egin-Hamer Road are closed January 1 through sunrise on April 1.

Who manages St. Anthony Sand Dunes?

The Bureau of Land Management. Rules, closures and conditions are on their page.