R-336 · Route File
Badlands National Park, South Dakota · United States
The paved SD 240 scenic road through the North Unit of Badlands National Park between the Interstate 90 approaches near Wall and Cactus Flat.
red · Confirmation required
A mapped SD 240 through-drive may be temporarily unavailable even when Interstate 90 approaches remain open.
Planning response: Confirm the live park and SD 240 status after any winter storm and retain Interstate 90 as the bypass.
Seasonal windows are planning triggers, not a substitute for current road, weather or land-access reports. Recheck the official sources below before departure.
Route tire evidence
No reviewed tire observation is published for this route.
No tire name is inferred from route popularity, forum mentions or marketing. A report appears only after its tire, motorcycle, route context, date and named source are reviewed.
Route-specific references
Information tied directly to this road, track or route.
Regional reference desk
Shared road, weather and access services used across Route Files in this region.
National Weather Service forecasts and warnings
official · National Weather Service
Official storm, flood, heat, wind, winter and severe-weather warnings
National Water Prediction Service
official · National Oceanic and Atmospheric Administration
Official river observations, forecasts and flood status for route planning
Field Links are reviewed references, not live guarantees. Conditions, closures, services and regulations change. Confirm critical information with the responsible authority before relying on it.