The going to the sun road opening is not on a fixed date. Glacier National Park says the full road over Logan Pass usually opens in late June or early July, once plowing, avalanche risk, and weather allow. Lower-elevation sections stay open year-round; alpine sections usually close around the third Monday in October.
When is the Going-to-the-Sun Road opening each year?
Most years, the full Going-to-the-Sun Road opens in late June or early July.
That is the clean answer. The real-world answer has teeth: Glacier National Park does not set a calendar date for the full road opening over Logan Pass. Snowpack, spring storms, avalanches, rockfall, ice, road work, and crew safety all get a vote. The park’s official Going-to-the-Sun Road general information page says there is no set date for the road to open over Logan Pass, and that the road has typically been fully open by early July, as of November 2026.
For a concrete recent example, Glacier announced that Going-to-the-Sun Road was fully open for the 2026 season on June 22, 2026, with public notice issued June 23, 2026. That opened the full 50-mile [80 km] route and allowed access to Logan Pass from both West Glacier and St. Mary.
| Season | What usually happens | What you should do |
|---|---|---|
| Winter | Lower sections may be open; alpine sections are closed. | Plan for limited road access and winter conditions. |
| Spring | Crews plow; some sections may open to hikers and bicyclists before cars. | Check status the day you go. |
| Summer | The full road usually opens in late June or early July. | Expect traffic, full parking, snow at Logan Pass, and fast-changing weather. |
| Fall | The alpine road usually stays open until around the third Monday in October, weather permitting. | Watch for early closures from snow, ice, rain, or rockfall. |
Why does Going-to-the-Sun Road open so late?
Because Logan Pass is high, snowy, avalanche-prone country.
Glacier’s plow crews are not clearing a city street. They are working a narrow mountain road with cliffs, rock walls, deep drifts, and avalanche paths. The park says plowing can be slowed by spring snowstorms, avalanches, and other weather events, and crews may need to re-plow sections after storms.
The alpine stretch is the bottleneck. Lower-elevation sections near the west side can be open when the road over Logan Pass is still buried or unsafe. That is why “the road is open” can mean very different things. Open to Lake McDonald is not the same as open over Logan Pass.
How do you check if Going-to-the-Sun Road is open today?
Use Glacier National Park’s road status page before you leave cell service.
The park directs visitors to its Road, Trail & Campground Status page for current road, hiker/biker, plow, trail, and campground information. As of November 2026, the park also tells visitors they can text GNPROADS to 333111 for road opening and closure notifications.
Do this in order:
- Check the official road status page the night before your drive.
- Check it again the morning you enter the park.
- Read the details for the exact road segment, not just the road name.
- Look for construction, weather, hiker/biker access, and temporary closures.
- Have a backup plan: Lake McDonald, Trail of the Cedars, St. Mary Valley, Two Medicine, or a lower-elevation hike.
Can you drive the whole Going-to-the-Sun Road before Logan Pass opens?
No, not by vehicle.
Before the full opening, you may be able to drive lower sections from one or both sides, but you cannot count on driving across the park from West Glacier to St. Mary over Logan Pass. During spring plowing, Glacier says Going-to-the-Sun Road is often open to hikers and bicyclists only where conditions allow. That access changes with plow work, avalanche danger, weather, and construction.
If you are building a Glacier itinerary before late June, do not make the cross-park drive your only plan. Treat it as a bonus. A sweet one. But still a bonus.
Do you need a reservation for Going-to-the-Sun Road?
Not in 2026, according to Glacier National Park.
Glacier’s official 2026 vehicle reservations page says vehicle reservations are not required in 2026, as of November 2026. The same NPS page says the park is piloting a ticketed-only shuttle system and three-hour limited timed parking at Logan Pass in 2026.
You still need to pay the park entrance fee or show a valid pass. Glacier’s official fees page lists standard entrance passes at $20 to $35 and says the park does not accept cash, as of November 2026. That page also says non-US residents age 16 and older must pay an additional $100 per person fee unless admitted with an Annual Pass or America the Beautiful Pass, as of November 2026.
What are the vehicle restrictions on Going-to-the-Sun Road?
Big vehicles are restricted on the alpine section.
As of November 2026, Glacier’s official road information says vehicles and vehicle combinations longer than 21 feet [6.4 m] or wider than 8 feet [2.4 m], including bumpers and mirrors, are prohibited between Avalanche Creek and Rising Sun. Vehicles over 10 feet [3 m] tall may have trouble driving west from Logan Pass to The Loop because of rock overhangs.
Speed limits are also specific: 40 mph [64 km/h] in lower elevations and 25 mph [40 km/h] in the alpine section, according to the park’s official road information, as of November 2026.
- Measure your vehicle before you arrive, including mirrors, racks, bumpers, and hitch-mounted gear.
- Do not assume your rental RV qualifies.
- Expect tight curves, steep drop-offs, wildlife, bicycles, pedestrians, and sudden stops.
- Fill your tank before entering the park; Glacier says there are no fueling stations inside park boundaries.
What is open before the full Going-to-the-Sun Road opening?
Usually, the lower road sections open first.
On the west side, access near West Glacier, Apgar, and Lake McDonald often comes before the alpine crossing. On the east side, access can vary by road, weather, construction, and seasonal operations. Glacier’s Operating Hours & Seasons page says lower portions of Going-to-the-Sun Road are open year-round, while the full road usually does not open until late June or early July, as of November 2026.
For hikers, this shoulder season can be magic and messy. You may find quiet road walking or biking when sections are closed to cars but open to non-motorized travel. You may also hit snow, ice, avalanche closures, bear activity, or a hard stop at a gate. Bring layers, traction if trails are icy, food, water, and a turn-around mindset.
What should you pack when the road first opens?
Pack for winter leftovers and summer crowds at the same time.
The first full opening does not mean the high country is dry. When Glacier announced the June 22, 2026 full road opening, the park warned visitors to expect lingering winter snow, cold temperatures, wind, and icy conditions at Logan Pass. It also discouraged standing or walking on snow along the road and nearby trails.
- Warm layers and a rain shell
- Sun hat, sunglasses, and sunscreen
- Water and snacks for traffic delays
- Footwear that can handle wet pavement, slush, and muddy trailheads
- Bear spray carried where you can reach it
- Offline maps; cell service is unreliable
- A backup hike below the snowline
Related reading
- Sun Poisoning on the Trail: Symptoms and Care
- America the Beautiful Pass: Price, Coverage and Where to Buy
- Machu Picchu Tickets: Circuits and Entry Rules
- How Many National Parks Are There in the US?
FAQ
What month does Going-to-the-Sun Road open?
The full road usually opens in late June or early July. Glacier National Park says the exact opening date cannot be predicted because it depends on plowing progress, avalanches, snowstorms, and safety conditions.
Is Going-to-the-Sun Road open year-round?
No, not the full road. Lower-elevation sections remain open year-round, but the alpine section over Logan Pass closes for winter and usually reopens after spring plowing.
When did Going-to-the-Sun Road open in 2026?
The full road opened for the 2026 season on June 22, 2026. Glacier’s June 23, 2026 news release said visitors could drive the full 50-mile [80 km] road and reach Logan Pass from both West Glacier and St. Mary.
When does Going-to-the-Sun Road close?
The alpine sections usually close around the third Monday in October, weather permitting. Snow, ice, rain, rockfall, or safety concerns can close the road earlier or cause temporary closures during the open season.
Can you hike or bike Going-to-the-Sun Road before it opens to cars?
Sometimes, yes. During spring plowing, sections may open to hikers and bicyclists before they open to vehicles, but access changes with plowing, avalanche conditions, and construction. Check Glacier’s official road status page before you go.
Do you need a vehicle reservation for Going-to-the-Sun Road?
No vehicle reservations are required in Glacier National Park in 2026, as of November 2026. You still need a valid entrance pass or must pay the required entrance fee, and Logan Pass parking and shuttle rules may still affect your day.