MotoRevRoute Twisty Staff Pick
Iron Mountain Road
Keystone to State Game Lodge
- Distance
- 20 mi
- Riding Time
- 50 min
- Climb
- 2,014 ft
- Difficulty
- Hard
- Surface
- Paved
- Character
- Twisty
- Saves
- 0
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Road Guide
- Best Season
- May to October.
- Closures
- Can close for snow in winter. A Custer State Park entrance license is required inside the park.
- Fuel
- Fuel in Keystone and Custer.
- Watch For
- One lane tunnels, pigtail bridges, slow traffic and wildlife.
Weather Along the Route
Forecast at the hour you reach each point, from the riding time. Leave Departure empty to leave now. Forecast from Open-Meteo.
Iron Mountain Road on US 16A links Keystone and Custer State Park with three pigtail bridges, one lane tunnels framing Mount Rushmore, and switchbacks through ponderosa forest.
Stops
- StartKeystone
- FinishState Game Lodge
