Going-to-the-Sun Road
Engineering meets wilderness on Glacier's spine.
The white knuckles start when you realize the guardrail between you and a thousand-foot drop is nothing but a prayer and some Depression-era concrete. Going-to-the-Sun Road cuts a 50-mile line across Glacier National Park’s Continental Divide at Logan Pass, climbing 3,300 feet through alpine country that’ll make your passenger forget to breathe. This isn’t your typical scenic drive—it’s a 1930s engineering fever dream carved into cliffsides where one mistake sends you tumbling into valleys that swallow sound.
Your rig better be narrow and your nerves steady. The Park Service caps vehicle dimensions at 8 feet wide and 21 feet long for good reason—sections like the Weeping Wall squeeze between rock faces that scrape mirrors off overconfident drivers. The 50-mile ribbon of pavement and gravel winds from West Glacier to St. Mary, topping out at 6,646 feet at Logan Pass where mountain goats own the parking lot and weather changes faster than you can say “chains required.” Stock vehicles handle the grade fine, but RVs and full-size trucks learn quickly why they call it Going-to-the-Sun and not Going-to-the-Mall.
July through October offers your only real shot at a complete crossing—snow closes sections from November through June, sometimes longer. Cell service disappears once you commit to the climb, and fuel stops exist only at the endpoints, so top off in West Glacier or Apgar before starting your ascent. The road demands respect: rockfall, sudden weather, and wildlife jams turn the journey into a patience test. But when you crest Logan Pass and see the Continental Divide stretched out like God’s own amphitheater, with peaks scraping 10,000 feet and glaciers hanging in cirques older than human memory, you understand why they built this impossible road in the first place.
This isn’t about conquering terrain—it’s about being small in country that reminds you what mountains really are. You’ll crawl through in first gear, white-knuckling turns that photographers die trying to capture, and emerge on the other side with stories worth telling around every campfire for the rest of your life. Going-to-the-Sun Road strips away the modern world and leaves you alone with alpine country that hasn’t changed since the glaciers carved it. Have a dirty day.
Trail Specs
| Difficulty | Moderate |
|---|---|
| Trail Type | Scenic Drive |
| Surface | Mixed |
| Features | High Altitude, Historic, Scenic |
| Length (miles) | 50 mi / 80.5 km |
| Duration | 1 day |
| Max elevation (ft) | 6646 ft |
| Best season | July-October |
| Minimum vehicle | Stock 2WD (size restrictions apply) |
| Nearest town | West Glacier, Montana |
| Land manager | National Park Service |
| Permit required | Yes |
| Cell service | None |
| Water crossings | No |
| Dispersed camping | No |
| Official sources | nps.gov |
| Start coordinates | |
| End coordinates | |
| Copy both for Google Maps directionsClick to copy the directions URL · or open it directly in a new tab | |
| Find on Google | Search on Google → |
Location
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Frequently asked questions
My truck is 8 feet wide with mirrors — can it legally drive Going-to-the-Sun Road?
Vehicles over 21 feet long or 8 feet wide (including mirrors) are prohibited between Avalanche Creek and the St. Mary Visitor Center. That cuts out most full-size trucks with towing mirrors extended, larger camper vans, and anything with a roof rack that pushes height past the tunnel clearances. Measure your rig before you go.
When is Going-to-the-Sun Road actually open all the way through?
Full road opening typically happens mid-June to early July depending on snowpack — some years it's late June, others closer to July 4th. It closes to through traffic by mid-October, sometimes earlier after early snowfall. Check NPS road status the day before, not a week before.
Do I need a permit or reservation to drive it?
Yes — from late May through early September, a vehicle reservation is required to enter the Logan Pass corridor between 6 a.m. and 3 p.m. Reservations are booked through recreation.gov and sell out fast. Outside those hours or outside that date window, no reservation is needed, just the Glacier National Park entry fee ($35 per vehicle in 2024).
What's the hardest or sketchiest section of the road?
The stretch between the Loop and Logan Pass on the west side is the most exposed — narrow lanes, sheer cliff drop-offs with minimal guardrails, and oncoming traffic on a road built in the 1930s. It's not technically difficult driving, but wide vehicles and drivers uncomfortable with exposure find it genuinely stressful. Stay right, don't rush it.
Is there any cell service along the road, and where's the closest gas?
Cell service is essentially nonexistent along the full 50 miles — don't count on it for navigation or emergencies. Fill up in West Glacier before you start; there's no gas on the road itself, and the next reliable station on the east side is in St. Mary or Browning.
Trail track
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