Glacier · Sun Road guide
Cross the Continental Divide from Lake McDonald to St. Mary, with stops at Avalanche, Logan Pass, Jackson Glacier Overlook, and the east-side lake viewpoints.
Before choosing stops
Going-to-the-Sun Road crosses the Continental Divide, climbs to Logan Pass, links two very different sides of Glacier, and changes with snow, construction, smoke, parking limits, and shuttle operations. Vehicle reservations are not required in 2026.
Check current conditions →Confirm the alpine opening, the current parking and shuttle system, and whether the day begins beside Lake McDonald or St. Mary Lake.
Before leaving the gateway
The alpine section opens only after spring plowing and can close temporarily for snow, slides, construction, smoke, or severe weather. Read the active alerts and transportation page before committing to a crossing.
Current conditions →Current season
Vehicle reservations are not required anywhere in Glacier National Park in 2026. Logan Pass parking has a three-hour limit, and the Logan Pass shuttle requires a ticket for a specific boarding date, time, and location.
2026 vehicle rules →Route direction
A west-side start reaches Lake McDonald and Avalanche before the climb to Logan Pass. An east-side start begins along St. Mary Lake and finishes toward Apgar or Whitefish.
Sun Road planning
Apgar and Lake McDonald provide visitor services, lakeshore access, and a low-elevation stop before the road climbs. Trail of the Cedars and Avalanche are farther up the valley near the head of the lake.
The 50-mile road takes much longer than its mileage suggests. Choose one primary walk and a few pullouts; parking, weather, and wildlife traffic can remove other stops from the day.
West start · 30–90 min
Use Apgar for restrooms, the visitor center, and access to the broad southern end of Lake McDonald. Pullouts and the lakeshore remain useful west-side stops if the alpine road is delayed.
Park transportation →Accessible walk or real hike
Trail of the Cedars is the short, shaded boardwalk loop; the hike to Avalanche Lake requires several additional hours. Choose the boardwalk or the full hike before driving toward Logan Pass.
Trail status →Pullouts · exposure
The road narrows and the views open quickly above the valley. Use pullouts, expect slow traffic, and give nervous drivers or motion-sensitive passengers a heads-up before the cliffside sections.
1.5–3 mi · alpine weather
Logan Pass has the highest parking pressure on the route. Hidden Lake Overlook is the classic short hike, but snowfields, wind, goats, crowds, and trail closures can change the walk even on a sunny morning.
Logan Pass →Quick east-side stop
One of the simplest roadside places to look toward a named glacier without adding a long trail. Most of Glacier National Park’s remaining glaciers are not prominent from the road.
East-side payoff
The east side opens onto St. Mary Lake, the Wild Goose Island overlook, strong wind, and long views back toward the high country.
East-side transportation →Glacier changes by month and sometimes by hour. Snowpack, construction, smoke, shuttle schedules, parking rules, and open services determine what is available that day.
May and June often bring plowing, lingering snow, cold mornings, wet trails, and partial road access. Valley roads can be open while the alpine crossing is still unavailable.
Getting around →Parking demand, entrance lines, heat on exposed boardwalks, and afternoon storms all favor an early start. Use midday for a lake pullout or lunch when Logan Pass parking is already full.
Wildfire smoke, chip sealing, pilot cars, and temporary closures can make the alpine crossing a poor choice. Keep a lower lake, North Fork, or gateway stop available.
Current conditions →September can bring clearer trails and cooler air, but visitor services, shuttles, and road segments begin changing. Check both road status and open facilities before assuming a summer-style day.
Hours and seasons →Sun Road planning
Wild Goose Island and the surrounding peaks open the broad east-side half of the road. Wind, fast weather changes, and limited pullout space make this a viewpoint stop rather than a substitute for Logan Pass or a longer trail.
Pick one main route before leaving the gateway. Each version leaves time for one primary walk and a small number of pullouts.
Sleep near West Glacier or St. Mary, start early, drive the full road, allow enough time at Logan Pass, and eat dinner on the opposite side or turn back before the return drive becomes tiring.
Combine Apgar, Lake McDonald, Trail of the Cedars, Avalanche, and the climb toward The Loop when Logan Pass is closed or its parking lot is full.
Start from St. Mary, stop along St. Mary Lake, and climb toward Logan Pass. Many Glacier uses a separate entrance road and belongs on a different day unless the visit is unusually long.
Choose one primary trail such as Hidden Lake Overlook, Highline when open, or Avalanche Lake. Use the rest of the drive for the approach and a small number of pullouts.
The common Sun Road mistakes are practical: late starts, full lots, too many stops, missed road updates, and mountain weather that arrives before the group is ready.
Many Glacier needs a separate day. Adding it after a full Sun Road crossing leaves little time for Swiftcurrent Lake, Many Glacier Hotel, or the valley's trails.
The lot can fill early and parking is limited to three hours in 2026. The ticketed Logan Pass shuttle is another option, but tickets specify the boarding date, time, and location.
2026 shuttle information →Logan Pass is high, windy, bright, and cooler than the gateway towns. Carry layers, sun protection, water, and suitable footwear even when temperatures are mild near the entrances.
Bears, goats, sheep, and other animals need distance. Use pullouts, stay at least 100 yards from bears and wolves and 25 yards from other wildlife, and keep traffic moving safely.
Safety rules →These are the links to check before the trip and again each morning. Glacier changes too quickly for a static guide to be the final word.
Check openings, temporary closures, construction, smoke, and other alerts before committing to a crossing day.
Current conditions →Vehicle reservations are not required in Glacier in 2026. Read the official page for the current season’s entrance and parking details.
2026 vehicle rules →The ticketed Logan Pass service runs July 1 through Labor Day, September 7, 2026. Check boarding locations, ticket times, and current operating details before counting on it.
2026 shuttle service →Bear activity, snow, fires, and maintenance can close trails or areas. Check this again during the trip, not just before leaving home.
Trail status →Gateway-town weather can understate the wind, cold, and storm risk at Logan Pass. Compare elevations before choosing layers and hikes.
Weather →Wildlife distance, bear spray, water, sun protection, traffic, and cliffside road awareness all need attention alongside the viewpoint list.
Safety →Choose the side of the park, a lower-elevation alternative, and one primary hike or viewpoint. Use current weather and road status to decide which additional stops remain practical.
Second Star gear guide
National Park Day Pack Guide
Trailhead packing list
Water, weather layers, trail comfort, binoculars, and the practical pieces that make overlooks and short hikes easier.
Daypacks & Packs
$75.50
Hydration Packs
$59.99
Packable Rain Jackets
$52.79
