Going-to-the-Sun Road was fully open for the 2025 season on June 16, 2025. The National Park Service announced that visitors could drive the entire 50-mile length of the road and reach Logan Pass from both West Glacier and St. Mary entrances.

Quick Scoop

  • Full opening date: June 16, 2025.
  • The east side had partial access a few days earlier, with the full road opening on June 16.
  • Summer timed-entry reservations were required on the West Entrance side beginning June 13, 2025.

Timing note

The park says the alpine portion of the road has no set opening date each year because it depends on snowfall and plowing progress. For 2025, the official full opening landed on June 16.

Source-backed snippet

Going-to-the-Sun Road is now fully open for the 2025 season. Visitors will be able to drive the entire 50-mile length of the road.

Would you like the 2025 opening date plus the closing date for the season too?