Iron Mountain Road is the 17-mile southern segment of US-16A between Custer State Park and Keystone, designed in the 1930s by South Dakota governor Peter Norbeck as a slow-speed scenic route between the park and Mount Rushmore.

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Overland routes

176 routes

Long-haul graded dirt and 4WD touring lines that connect campsites, water, and gas across whole regions.

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Off-road trails

73 trails

Technical 4×4 trails. Rock crawling, shelf roads, washes that demand skill and the right rig.

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OHV areas

25 areas

Designated open-recreation zones managed for OHV use. Dunes, desert, woodland.

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Recent gear deals

Live price drops · All gear deals →

Jackery-61%

Jackery Solar Generator 2000 Plus Kit (6kWh)

$2599$6599

Buy at Jackery · power-electrical

Jackery-55%

Jackery Solar Generator 2000 Plus Kit (4kWh)

$1999$4399

Buy at Jackery · power-electrical

Sea To Summit-50%

Alto Semi-Free Standing Ultralight Tent (Like New)

$250$499

Buy at Sea to Summit · sleep

Sea To Summit-41%

Spark Pro Down Sleeping Bag (15degF & 30degF) (Like New)

$325$549

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On the calendar

71 events · Full calendar →

Jul 9–12

The Weekly Dispatch

Every Wednesday.

The week's gear adds, trail reports, industry news, and what's coming up on the calendar.

Latest dispatches

23ZERO's Kabari Z Trades the Wedge for Vertical Walls and 58 Inches of Headroom

Glacier National Park Closes Going-to-the-Sun Road Alpine Section Amid June Storms

Prime Day 2026: Sixteen Picks for Your Rig and Camp Kit

Where to go

Iron Mountain Road (US-16A)

Overland routes

Off-road trails

OHV areas

Recent gear deals

On the calendar

The Big Thing

Jeep Jamboree – Rubicon Trail

Adventure Van Expo Colorado

Jeepers Jamboree – Rubicon Trail

Every Wednesday.