How to Hike the Highline Trail + Tips & FAQs

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Planning on hiking the Highline Trail in Glacier National Park?

I grew up hiking the Highline with my family when I was a kid. I still remember being a little bit afraid when we reached the chain section of the hike–it was a far way to fall! It’s also become a much more popular option over the past few years as Glacier has blown up on social media.

When you think of iconic hikes in the national parks, the Highline Trail is one of those trails. While I was too young when I was a kid to make it to the Grinnell Glacier Overlook, the Highline Trail is a hike I wouldn’t miss on your Glacier National Park itinerary, though it does require a bit of planning in order to get parking at Logan Pass.

You’ll also need to decide if you are planning on doing the entire hike to The Loop or if you would just like to do a section of the trail before heading back to your car. There’s no right way to do it, but you want to make sure you have the right gear and enough time to hike what you want.

This guide covers what you need to know about hiking the Highline Trail in Glacier National Park and some of my personal recommendations whether you choose to hike the whole trail including The Loop or make it and out-and-back and return to your car.

In summary: You’ll learn how to hike the Highline, as well as which options are available to you if you want to do the whole thing or only part of it.

Quick tip: For this hike, the Glacier National Park shuttle can be your best asset–you don’t have to worry about parking and you can get right off and hike!

Quick stats

These stats are for the full hike–feel free to hike as little or as much as you would like!

Distance: 14.9 miles

Difficulty: Strenuous

Elevation gain: 2,621 feet

Time on trail: As much time or as little as you would like, but to do the full stretch it takes about 7 hours.

The Highline Trail trailhead sign.
The Highline Trail trailhead sign.

How to hike the Highline Trail

You can hike the Highline Trail in a few different ways. Whether you choose to visit the Granite Park Chalet via the Loop or start at the Logan Pass Visitor Center, you have a few options to enjoy the hike.

One way to start the Highline Trail is just across from the Logan Pass Visitor Center. You’ll need to cross Going-to-the-Sun Road in order to get to the trailhead–make sure to watch for cars as you head to the other side. Be on the lookout for Bighorn Sheep and mountain goats in this area. I’ve seen a lot of them right at the start of the trail.

Bighorn Sheep near the start of the Highline Trail.
Bighorn Sheep near the start of the Highline Trail.

This is where you will run into the chained section of the hike and where there will be a steep drop off. If you are afraid of heights, you’re definitely going to want to take your time. There’s no need to rush! During this section, be considerate of other hikers who might be coming from the other way. It can get a little tight during this point, so take your time and allow others to pass you if necessary.

As you progress on the trail, you’ll be met with sweeping vistas of the Lake McDonald Valley and Haystack Butte. After roughly 2.5 miles when you reach Haystack Pass, the trail diverges from Going-to-the-Sun Road.

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Daniel on the Highline Trail headed to Granite Park Chalet.
Daniel on the Highline Trail headed to Granite Park Chalet.

Garden Wall Trail to Grinnell Glacier Overlook

Approximately 6.5 miles into the Highline Trail, you will come across the optional side trail to Grinnell Glacier Overlook Spur Trail.

The trail is short but pretty steep, gaining about 1,000 feet in elevation gain in just under a mile. To give you an idea, that equates to roughly a 20% incline on a treadmill. It can be pretty intimidating if you don’t have a ton of experience hiking, so just keep that in mind if you are choosing to hike this trail.

Alex at the Grinnell Glacier Overlook.
Enjoying the view at the Grinnell Glacier Overlook.

If you can manage to make it to the top, you’ll have a clear view of two glaciers below: Salamander Glacier and Grinnell Glacier. This is one of my favorite spots for pictures in the entire park–the people hiking the Grinnell Glacier hike look so small from down below.

At this point, you are also right on the Continental Divide, which is where water flows west to the Pacific Ocean and east to the Atlantic Ocean. You can also get a glimpse of several lakes such as Lake McDonald, Upper Grinnell Lake, Lower Grinnell Lake, Swiftcurrent Lake, Lake Josephine, and Sherburne Lake.

I recommend taking on the Grinnell Glacier Hike in Many Glacier another day if you want to see the same view from the Grinnell Glacier Overlook from an entirely different perspective.

You’re likely to see wildlife like mountain goats and bighorn sheep during the Garden Wall section of the hike, so keep a lookout and give them plenty of room if you happen to run into them.

Alex after spending a night at the Granite Park Chalet.
After a night at the Granite Park Chalet.

Granite Park Chalet

The trail continues on to the Granite Park Chalet, one of the best things to do in Glacier National Park. This chalet is a national historic landmark and many hikers and locals hope to get a reservation to stay there if they can. Daniel and I stayed there a night and it was incredible–reservations fill up fast and were lucky to get them!

Quick tip: Check back often if you can because there might be a cancelation and you can manage to sneak a night in!

Whether you are planning on staying at the Granite Park Chalet or not, it’s often worth hiking to the chalet in order to get a refill on water and to purchase some snacks.

Hike to The Loop

Honestly, I find this portion of the hike the least interesting, although if you do start from here it is the most direct route to the Granite Park Chalet. Daniel and I have avoided this part of the hike since I’d rather go back the way we came for better views.

The Loop section experienced significant damage during the 2003 Trapper Creek Fire, which was sparked by a lightning strike. This means you won’t have a lot of shade since there are just not a lot of trees to cover you. Bring your sunscreen and hat!

As you make your way downhill, you’ll catch sight of the striking Heavens Peak in the distance, one of the tallest peaks in Glacier National Park! About 4 miles after departing from Granite Park Chalet, you’ll arrive at The Loop and Going-to-the-Sun Road.

Keep in mind that you can also start the Highline Trail in Glacier National Park from The Loop if you would like to do in the hike in reverse, as well.

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Map of the Highline Trail

map of the highline trail to granite park chalet
Map of the Highline Trail to Granite Park Chalet.

Tips for hiking the Highline Trail

Here are some tips for hiking the Highline Trail.

  • Always verify trail status before hiking: For the most recent updates, consult the Glacier National Park website. This is especially true for the Granite Park Trail due to bear activity and weather.
  • Plan your visit between July and September: The Highline Trail is situated off Going-to-the-Sun Road, which is only accessible during the summer months, typically from late June or early July until late October.
  • Purchase a national park pass in advance: If you intend to visit multiple national parks within the next 12 months, consider purchasing the America the Beautiful pass. For $80, you gain unlimited access to over 400 National Park Service sites, including Glacier National Park!
  • Aim to arrive at the trailhead before 7 am: Logan Pass Visitor Center is highly popular, as other trails like the Hidden Lake Overlook also start here. The Logan Pass parking lot often reaches capacity by 7 am during summer weekends, so the earlier you can get there the better.
  • Be prepared if you plan on hiking the Granite Park Trail: You should know in advance if you plan on hiking this trail since it can be physically demanding and you might need to be picked up at a different location than the trailhead if you choose to do so.
  • Leave No Trace: Remember to pack up any items you bring with you and respect wildlife while you are there.

The Highline Trail: FAQs

Here’s what you should know when you plan on taking on one of the best hikes in Glacier National Park and some personal recommendations from me.

From the west side of the park, you will take the Going-to-the-Sun Road past Lake McDonald to the highest point of the park. This is where Logan Pass is located–right along the Continental Divide.

Likewise, you can also start at The Loop Trailhead along Going-to-the-Sun Road near the lookout for Heavens Peak.

From the east side of Glacier National Park, you will go past St. Mary along the Going-to-the-Sun Road until you reach Logan Pass.

In 2024, you will need Glacier National Park reservations in order to hike during the prime season and if you plan on entering with your own car from the west side of the park. It can be a little confusing, so I really recommend that you check out my guide on it so you can get a better idea of how you’ll get to the trailhead.

There are two many places where you can park for the Highline Trail. Keep in mind that both of these parking lots fill up fast, so if you can arrive early, you’re much more likely to get a spot for the trailhead.

The first is at Logan Pass, right across from the visitor center.

Yes. In order to enter the park in general, you will need a parks pass or to pay daily at either the West Glacier or East Glacier entrance.

Since you can do the Highline Trail as an out-and-back hike, this can be a great trail for kids. While you might not want to head all the way to Granite Park Chalet or the other side trails, you can hike the first few miles and return back to the Logan Pass Visitor Center as a round trip trail no problem.

If you plan on making it a one-way hike, you’ll want to make sure your kids are a little older and have experience hiking.

Dogs are not allowed on any of the trails in Glacier National Park unless they are a service animal. Dogs in Glacier National Park are only allowed in designated campsites and parking lots. 

There are plenty of Glacier National Park animals that you might run into while hiking. You’re likely to see bighorn sheep, mountain goats, and marmots while on the Highline Trail.

Bear sightings are also a possibility while you are on the trail. I recommend you carry bear spray and know how to use it when you plan on hiking any trail in Glacier National Park. Daniel and I actually ran into one when hiking to Granite Park Chalet, so even though it is a popular trail, it’s still completely possible to see one.

The National Park Service website has a guide on how to tell the difference between a black bear and a grizzly bear, which is good information to know in case you run into one.

You won’t be able to hike the Highline Trail from Logan Pass until early July at the earliest. Going-to-the-Sun Road is not usually completely open until then, and there is often still snow in the Glacier area until summer.

While the most popular time to visit Glacier National Park is often from mid-July until the end of August, I think the best time to visit Glacier National Park is early September. The crowds have thinned out a lot but facilities are still open. You will still need reservations at this time.

If you are afraid of heights, the Highline Trail can be a little intimidating. For about the first half mile from Logan Pass, you will be close to a steep edge that looks down to Going-to-the-Sun Road. The trail here is relatively narrow and there are cables to assist you.

Take it slow and watch out for other hikers while you make your way through this section.

Yes! Many hikers choose to hike to the Granite Park Chalet or the Granite Park backcountry campground and stay overnight. Keep in mind that you will need reservations for the Granite Park Chalet and the campground in advance. You may also want to look into a Glacier National Park tour to help you plan your backpacking trip. 

Conclusion

There’s a reason so many visitors to Glacier choose to do the Highline Trail. Not only do you get the same views that you would experience on Going-to-the-Sun Road, but it’s doable for almost all ages and hiking ability.

I tried to break down this hike for you and provide the information you need in order to successfully take it on. It’s definitely one you shouldn’t miss if you want some epic photos and to see some of the best of Glacier.

Have any questions about hiking the Highline? Let me know in the comments!

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