Most Yellowstone roads are open to regular at Yellowstone: what applies in 2026?

Exact conditions

Status

Not required; the stated access rule still applies

Applies to

vehicles

Place or corridor

West, South and East entrance roads and the interior Grand Loop; the North Entrance (Gardiner) to Northeast Entrance (Cooke City) road is the exception

Effective dates

April 17, 2026 through October 31, 2026

Release model

unpublished

Exceptions and limits

• "Open year-round: North Entrance to Northeast Entrance" — this is the only road generally open all year to regular vehicles.
• "Open April 17 - October 31, 2026: West Entrance to Madison, Madison to Old Faithful, Madison to Norris, Mammoth Hot Springs to Norris, Norris to Canyon Village".
• "Open May 1 - October 31, 2026: East Entrance to Fishing Bridge (Sylvan Pass), Canyon Village to Bridge Bay".
• "Open May 8 - October 31, 2026: South Entrance to West Thumb, West Thumb to Old Faithful (Craig Pass), West Thumb to Lake Village, Tower-Roosevelt to Tower Fall".
• The dates on this rule record the OPEN window, not the closure.