Highline Trail in Glacier National Park: How Hard Is It, and How Do You Get Back to Your Car?

Photo: Brad Caldwell, CC0, via Wikimedia Commons; cropped, with lettering added by Brian Russ Guides.

The Highline Trail is the hike people picture when they picture Glacier National Park: a narrow path across the face of the Garden Wall with the valley falling away below, and a historic chalet at the end. The classic version runs from Logan Pass to The Loop, 11.8 miles one way, and it's one of the full-day plans in the Glacier National Park guide.

By the numbers it isn't a hard hike. What makes it a project is everything around it: a lot that fills before dawn, a three-hour parking limit, a ticketed shuttle, and a trail that's snow-free for about two months a year. Get those right and the walking is the easy part.

The Numbers

The park's trailhead page gives Logan Pass to The Loop as 11.8 miles (19 km) one way, with 2,388 feet of elevation gain and 4,773 feet of loss (NPS). It's point-to-point. The Logan Pass trail list splits it into two legs: 7.6 miles from the Continental Divide sign to Granite Park Chalet with 800 feet of gain, then 4.2 miles and 2,200 feet of elevation change down to The Loop on Going-to-the-Sun Road (NPS). There's no official difficulty rating, but the park does say "Much of the Highline Trail is exposed," and it files the hike under full-day trips of five hours and up (NPS). With a chalet stop, plan on most of a day.

Where It Starts, and the 2026 Parking Problem

The trailhead is across Going-to-the-Sun Road from the Continental Divide sign at the Logan Pass lot (NPS). The park says that lot "often fills before dawn and remains mostly full all day," and in 2026 it added a rule: from July 1 through September 7, private vehicles could park at Logan Pass for three hours at most, enforced around the clock, with a free time-stamped permit from a kiosk on the dashboard (NPS). Three hours gets you Hidden Lake Overlook. It does not get you the Highline.

The park's own answer for Highline hikers in 2026 was the ticketed Logan Pass Shuttle. Tickets were $1 on recreation.gov, released 60 days ahead and again at 7 p.m. Mountain the evening before, each tied to a boarding place and time on the west or east side (NPS). Figure 60 to 90 minutes to the pass. Shuttles also pick up at The Loop for the ride back, westbound from 11 a.m. to 5:30 p.m., with rides up to Logan Pass for east-side transfers. Vehicle reservations weren't required anywhere in the park in 2026.

All of that is the 2026 pilot, checked October 2026. Glacier has changed its access rules every summer since 2021, so treat this as the shape of the problem, not the final answer, and check the park's Logan Pass page before booking anything for 2027.

Photo: Katie Brady, CC BY 2.0, via Wikimedia Commons.

Permits and Reservations

No permit is needed to day-hike the Highline: just an entrance pass and, in 2026, a shuttle ticket unless you were willing to gamble on a three-hour parking spot (NPS). Overnight parking at Logan Pass was allowed only with a wilderness permit or a Granite Park Chalet reservation, and the chalet books through its own website, not the park (NPS). Checked October 2026.

When to Hike It

The window is short. Trails on the Continental Divide are "typically snow free by late July," and Going-to-the-Sun Road is usually open end to end from late June to early October (NPS). The 2026 shuttle ran only from July 1 to September 7. That makes late July through early September the realistic season: August is the safest bet for a snow-free Garden Wall, September the quieter, colder gamble.

Reading this in late October? The hike is done for the year: the road is closed for the season at Avalanche Creek and Jackson Glacier Overlook, and the Highline from Logan Pass to the Grinnell Glacier Overlook junction is closed for snow hazards (NPS alerts; trail status). Whatever the month, start early: afternoon storms are worst on an exposed traverse with nowhere to hide.

What the Trail Is Like

The first stretch is the famous one: a narrow shelf along the Garden Wall with Going-to-the-Sun Road and the McDonald Creek valley spread out below. It's the most exposed part of the day and it comes within the first mile, which is useful: if it bothers you, turn around early. After that the trail settles into a long, rolling contour below the wall, gaining its 800 feet gradually to Granite Park Chalet, which has restrooms and a small store with snacks (NPS). From the chalet, the drop to The Loop is a different hike: 4.2 miles of switchbacks losing about 2,200 feet, usually in afternoon heat, and it's where tired knees complain. The Loop has a restroom but no drinking water.

The one side trip worth its cost is the Grinnell Glacier Overlook spur, a steep climb to the crest of the Garden Wall with a glacier and a meltwater lake directly below (the view on the pin above). The park calls it an optional offshoot that adds distance and elevation; skip it if you're chasing a shuttle.

Photo: NPS photo, public domain, via Wikimedia Commons.

Who Should Skip It, and What to Do Instead

Skip the full traverse if heights get to you, if you can't get a shuttle ticket, or if the forecast calls for afternoon storms. The exposure is concentrated in the first mile, so a fear of heights rules out the whole thing while sore knees only rule out the second half.

The cheap version is the Highline out and back from Logan Pass. Nothing says you have to reach the chalet; a few miles out and back gives you most of the views for a fraction of the logistics. If that's still too much, Hidden Lake Overlook starts from the same lot: 1.4 miles one way with 460 feet of gain (NPS), fits inside the three-hour limit, and is the better bet for mountain goats, though nothing is promised.

Photo: David Restivo, NPS photo, public domain, via Wikimedia Commons. This is the Northern Highline, the continuation past Granite Park Chalet that day hikers don't usually see.

Safety and Rules

This is grizzly country. The park's rules: stay at least 100 yards from bears and wolves and 25 yards from other wildlife, make noise by calling out and clapping (bear bells aren't adequate), hike in groups, don't run, and carry bear spray and know how to use it (NPS).

Stay on the trail; the park says many accidents happen when people step off trails or onto steep slopes, and it warns that snowfields can hide cavities, so don't cross or slide on lingering snow (NPS). Carry all your water, since surface water may be unsafe, and expect no cell signal. Pets aren't allowed on any park trail (NPS). Pack rain gear and a warm layer even in August.

Where It Fits in a Trip

On a one-day visit the Highline eats the whole day, so skip it unless you already hold a shuttle ticket. On two or three days it's the centerpiece: drive Going-to-the-Sun Road and do the short walks on day one, sleep on the west side so the early shuttle is easy, give day two to the Highline, and save Many Glacier or Two Medicine for day three, when your legs want a lake. The Glacier National Park guide builds the Highline into its itineraries that way, with the Logan Pass parking and shuttle rules worked out and a weather backup for every day.

Before you go: see Glacier National Park alerts and current conditions, checked daily, for current closures and what they mean for your trip.

This is an independent guide. It is not affiliated with or endorsed by the National Park Service. Trail conditions, permits, and closures change; check the park's current alerts before you go.