8 hrGuided
Best Time to Visit Glacier National Park
There is no single best month, only the best month for what you want to do. Here is the year from our shop in Columbia Falls, with the park's dates.
Ask ten locals and you get three answers: late June for the waterfalls and the car-free road, late July into August for every trail, September for the quiet. All three are right. The park is busiest from May through September, with July and August the busiest of all, about three million visits a summer, and the parking lots at Logan Pass and Avalanche Creek fill before sunrise.
The guide below walks the year month by month and says what runs from our shop in each one. Weather note from the park: West Glacier sits at about 3,200 feet, Logan Pass is 10 to 15 degrees cooler, overnight lows anywhere can hit freezing, and snow can fall in any month.
Checked against the park service on October 21, 2026
April and May: The Car-Free Road
Spring is the season this business was built for. Once the plows pass Avalanche Creek, Going-to-the-Sun Road above the vehicle closure opens to hikers and bikers only, and the closure point climbs the mountain week by week. Low trails around Lake McDonald and in the Flathead National Forest melt out in late April and May. Rainy, cool days are normal, and the park says that can last through June.
- Best for: riding Going-to-the-Sun Road with no cars, waterfalls at full flow, empty lots.
- Not yet: the high passes, Many Glacier's big hikes, the full road to Logan Pass.
- From our shop: the e-bike Going-to-the-Sun Road tour, e-bike and gravel rentals, the bike shuttle to Avalanche Creek, the Camas Road half day.
June: The Road Opens
Logan Pass has opened to cars on June 13 in 2025, June 22 in 2024, July 2 in 2023 and July 13 in 2022; the park never promises a date. Until it does, the car-free riding continues higher up the road. Lower campgrounds and the valley lakes are in full swing; high trails are still under snow.
- Best for: the last car-free rides, Avalanche Lake and the valley trails, long daylight.
- Watch: the afternoon bike closure between Apgar and Logan Pass begins once the road is fully open (June 13 to September 28 in 2026).
- From our shop: everything on two wheels, guided day hikes in the forest, the scenic drives.
July and August: Everything Open, Everyone Here
The whole road is open, the passes melt out through late July, Ptarmigan Tunnel's doors open in mid-July, and the lakes are warm enough to float. The park's Logan Pass shuttle ran July 1 to September 7 in 2026 with a $1 ticket, Logan Pass parking was limited to three hours, and the park closed valleys such as Many Glacier temporarily when they filled. Hot days and cool nights; afternoon storms.
- Best for: the Highline, Grinnell Glacier, Iceberg Lake, every high trail; floating and paddling.
- Plan for: parking that fills before sunrise, and a backup plan for every trailhead.
- From our shop: the Many Glacier and Two Medicine hiking shuttles with the parking solved, the hike and float, packraft and paddleboard rentals, morning e-bike rides.
September: The Quiet Weeks
After Labor Day the traffic thins week by week. The afternoon bike closure ends in late September, the park's shuttle stops after Labor Day, and the high trails stay open until the first real storm, which the park says can bring snow to low elevations by mid-September. Bears are feeding hard; carry spray and hike in a group.
- Best for: the same trails with half the people, cold clear mornings, wildlife.
- Watch: seasonal bridges come out and Ptarmigan Tunnel closes by late September.
- From our shop: the scenic drives, the wildlife tour, guided day hikes, the last e-bike days.
October: Larches and the Last Drive
The alpine road usually closes around the third Monday of October, earlier in a storm. The larches turn gold along the North Fork, the Camas Road and the forest roads, and the lower road to Lake McDonald Lodge stays open all year. Services inside the park wind down.
- Best for: gold larches, empty roads, a gravel ride on the North Fork.
- Watch: an early storm can close the pass without notice.
- From our shop: the scenic drives, the gravel bike, guided day hikes while the forest is dry.
November to March: Snow
Most of the park is under several feet of snow. The road is plowed from West Glacier to Lake McDonald Lodge, Apgar Visitor Center opens on weekends, and the unplowed road beyond the lodge is the park's most popular ski and snowshoe route. Ranger-led snowshoe walks ran weekends from January 10 to March 15 in 2026. No lodging or fuel inside the park.
- Best for: silence, animal tracks, Lake McDonald under snow, the lodge in winter light.
- Watch: the Flathead Avalanche Center forecast for anything off the plowed road.
- From our shop: the guided snowshoe tour and the winter driving tour, November through March, booked online.
The Trips by Season
Good to Know
- What is the single best month?
- For the full park with every trail open, late July into August. For the car-free road, May and June. For quiet, September. For snow, January and February. Pick by what you want to do, then check the conditions page for the year.
- When is Going-to-the-Sun Road fully open?
- Late June at the earliest, by the park's own words, and it has opened as late as July 13. It usually closes over Logan Pass around the third Monday of October. The lower road to Lake McDonald Lodge is open all year.
- How bad are the crowds?
- May through September is busy and July and August are the peak, about three million visits a summer. The Hidden Lake Trail averaged 1,604 hikers a day in 2017 by the park's count. The fix is an early start, a backup trailhead, or a shuttle that drops you at the trailhead with the parking handled.
- Can I visit in the shoulder seasons on a budget?
- Spring and fall have the lowest lodging prices in the valley and the least traffic. The trade is weather: rain and cool days in spring, the chance of an early snow in fall. Our spring, summer and fall pages say what runs in each.
Your Next Ride Starts Here
Pick a date and see everything you can book, or call the shop and talk to someone who rides these roads every week.