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Twin Lakes Trail in Banff National Park

If you are looking for a moderately challenging day hike in Banff which passes several beautiful mountain lakes, try the Twin Lakes trail. The scenic Twin Lakes of Banff National Park sit where the trees meet the rocky alpine zone on the eastern slopes of Storm Mountain. Being within 1 km of each other, Banff hikers will often visit both the Upper Twin Lake and Lower Twin Lake on the same hike.

The Twin Lakes trail is a challenging day hike which visits four lakes in Banff National Park
Upper Twin Lake

There are a remarkable number of ways to hike to the Twin Lakes in Banff:

  • The North Approach to the Twin Lakes begins near the intersection of the TransCanada Highway and the Banff Windermere Parkway (Highway 93).

  • There’s an epic 38km (one-way) journey to the Twin Lakes from Sunshine Village which takes you up Healy Creek past Egypt Lake, Scarab Lake, Haiduk Lake, Shadow Lake to the Twin Lakes and beyond. This route is popular with backcountry campers in Banff.

  • The third option, which should be most appealing to day hikers in Banff, is the option to extend the Arnica Lake hike to see the Upper and Lower Twin Lakes.

This post describes the third option, the Twin Lakes trail via the Arnica Lake hike.

A river runs from the Lower Twin Lake in Banff National Park
A few larches around Lower Twin Lake in Fall

Twin Lakes Trail – Quick Details

Trailhead: Twin Lakes Trailhead from Vista Lake Parking Lot

Distance: 16.6 km out and back

Elevation: 1,171 m elevation gain

A river flows from one of the Twin Lakes in Banff

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Twin Lakes Hike Highlights:

The trailhead for the Twin Lakes hike leaves from the Vista Lake parking lot off Highway 93, just before Kootenay National Park. The first 1.2 km of the Twin Lakes trail descends into the Altrude Creek valley towards Vista Lake. Along the way, you’ll enjoy the first of many nice views of Storm Mountain (3,100 m), coupled with the evergreen forest in the valley below.

hiking to Vista Lake from Vista Lake parking lot

When the sun is shining, gazing out over the submerged rocks and tree trunks through the crystal-clear emerald green water of Vista Lake is breathtaking. In isolation, the downhill walk to Vista Lake is one of the best easy hikes in Banff National Park.

Vista Lake is the first of four lakes on the Twin Lakes hike in Banff National Park

The next 3.8 km of the hike to the Twin Lakes ascends the northern slope of Storm Mountain towards the treeline, where Arnica Lake is found. Along the way, you’ll enjoy several creek crossings and many outstanding viewpoints, where you’ll enjoy unimpeded views of Mt. Whymper (2,845 m), Boom Mountain (2,760 m) and Castle Mountain (2,766 m).

If you are enjoying the Twin Lakes hike (via Arnica Lake) in larch season, you enjoy a beautiful display of golden larch trees. The larch trees start appearing after 3.2 km of hiking and last until well beyond Arnica Lake. If you are looking for a great Banff larch tree hike without the crowds you’ll find on the Larch Valley trail, the hike to the Twin Lakes (via Arnica Lake) is a great choice!

golden larch - Banff larch hikes

The Twin Lakes hike reaches the shores of Arnica Lake at the 5 km mark. With the towering rocky cliffs of Storm Mountain looming high overhead, the setting for Arnica Lake is quite stunning. In larch season, the shores of Arnica Lake are lined with golden larch trees, making an already beautiful scene that much better.

hike to Arnica Lake - Banff Hikes

Follow the hiking trail along the shore of Arnica Lake to enjoy the various viewpoints of this amazing Banff lake, before beginning the final leg of the hike to the Twin Lakes.

As you hike beyond Arnica Lake, the hiking trail becomes known as the Upper Twin Lake Trail. The Upper Twin Lake trail begins with a short ascent up a small ridge on the northeast side of Storm Mountain. The ascent adds approximately 100 m of elevation gain to your hike.

This initial section of the Upper Twin Lake trail gets very muddy as a pesky little creek has decided to run right through it. Be sure to wear waterproof hiking boots which you don’t mind getting wet and muddy!

muddy trail conditions are one of the reasons this is a challenging hike in Banff

At the beginning, the larch trees are about 50 feet away on the righthand side, but the larch trees meet the Upper Twin Lake hiking trail about halfway up the ridge. There are some really beautiful old larch trees along this section of trail.

Enjoy fall colors with larch trees on the Twin Lakes trail in September

5.8 km after leaving the Vista Lakes parking lot, you’ll reach the top of the ridge. You’ll be in a dense patch of larch trees, which is very pretty in fall, but the real treat is the view you’ll get of a huge larch forest appears in the distance. The two mountains you see in the distance to the east are the Pharoah Peaks (2,711 m) and the Monarch Ramparts (2,393 m).

Enjoy a view of a distant larch forest on the hiking trail to the Twin Lakes in Banff

After 4.5 km of nearly non-stop uphill hiking from Vista Lake, you’ll now start enjoying a wonderful descent down to the Twin Lakes. It doesn’t take long for the larch trees to disappear on this side of the ridge, but they are replaced with a beautiful conifer forest, with a lush carpet of green moss.

Hikes in Banff over 15km long

You may find it hard to believe that after 6 km of hiking, you’ll still be enjoying amazing views of Storm Mountain overhead. Storm Mountain is a massive mountain and the hike through Vista Lake, to Arnica Lake to the Twin Lakes is one of the best ways to appreciate the size and beauty of this enormous Canadian Rocky Mountain.

At the 6.9 km mark of the Twin Lakes hike, you’ll get your first glimpse of Upper Twin Lake. Listen carefully and you may be lucky enough to hear a woodpecker, as we did.

The hiking trail leads to a large, grassy meadow which leads to the shores of Upper Twin Lake. This is yet another stunning Banff lake lined with evergreen trees (with even a few larches) and a towering rocky mountain peak standing guard behind the water.

The beautiful scenery around Banff's Upper Twin Lake includes Storm Mountain and golden larch trees in fall

To continue on to the Lower Twin Lake trail, you’ll need to walk through the marshy, grassy meadow along the shoreline of the Upper Twin Lake creek. You’ll cross this creek on a long series of stepping stones. These big, stable rocks are one of the nicest rock bridges I’ve seen anywhere in Banff. Good job to whoever built these steps!

A rock bridge with a single golden larch tree on the way to Lower Twin Lake in Banff National Park

The Lower Twin Lake trail begins on the far side of the creek. Before long you’ll be passing through the Twin Lakes Campground (TW7) through a beautiful forest. If you are interested in backcountry camping at the Twin Lakes (TW7) campground, be sure to make your reservations in advance with the Parks Canada reservation service.

Shortly after leaving the TW7 Banff backcountry campground, the Lower Twin Lake hiking trail starts to descend through a magical mossy forest with lots of shrubs. The trees start to clear after 500 m of hiking along the Lower Twin Lake trail and you’ll enjoy even more views of Storm Mountain overhead.

Hiking from the Upper Twin Lake to the Lower Twin Lake in Banff, Alberta

As you near the Lower Twin Lake creek (around 8 km), you’ll need to contend with a significant amount of tree roots and rocks along the very muddy hiking trail. The trail junction for the North Approach to the Twin Lakes is on the left, just before the creek.

After crossing the creek on a long bridge made from large wooden posts, you’ll see the trail junction sign for the Gibbon Pass Trail (which ultimately goes on to Sunshine Village as described above). Go straight for the Gibbon Pass Trail or turn right to follow the creek to the Lower Twin Lake.

the Twin Lakes trail is a challenging Banff hike

Try to enjoy the views of Storm Mountain overhead (with a few golden larch trees in the fall) as you try to navigate the extremely muddy hiking trail to the Lower Twin Lake. You’ll be hopping from rock-to-rock trying to keep your hiking boots from getting middy, but chances are good that after a while, your boots will get so muddy you’ll just give up and walk through the mud.

You'll be glad to have hiking boots on with the muddy trail conditions to Lower Twin Lake

Your highly enjoyable Banff hike past Vista Lake and Arnica Lake reaches the Twin Lakes after 8.3 km of hiking. The Lower Twin Lake is your fourth Banff lake of the day and is every bit as beautiful and rewarding as the first three. The rocky cliffs of Storm Mountain continue to provide the backdrop for this beautiful Banff lake.

Enjoy Fall colours in Banff around Lower Twin Lake

If you stop at the Lower Twin Lake for a break or for lunch, please don’t feed the beautiful, but very food aggressive Canada Jay birds (also known as Whiskey Jack or Grey Jay).

Twin Lakes Trailhead

The Twin Lakes trailhead is found in the Vista Lake Day Use Area along Highway 93 South. The Vista Lake Day Use is under 30 minutes from Banff and an hour and 50 minutes from Calgary.

To reach the Vista Lake Day Use, take the TransCanada Highway 1 west to the Highway 93 exit. Turn left at the exit and continue up Highway 93 South for 8 km then turn right into the Vista Lake parking lot at the sign. The Vista Lake day use area is just a minute or so past the Boom Lake day use area.

trail sign to Vista Lake, Arnica lake, the Twin Lakes and Shadow Lake

Twin Lakes Hike Stats

How Long is the Twin Lakes Hike?

The round-trip distance of the Twin Lakes trail is 16.6 km (for a one-way distance of 8.3 km) from the trailhead, past Vista Lake and Arnica Lake, through the Storm Mountain forest until you reach the shores of the Twin Lakes.

The Twin Lakes trail is a beautiful Banff trail over 15km long

How Hard is the Hike to the Twin Lakes?

Primarily due to the distance and the amount of elevation gain, we rate the Twin Lakes hike as “difficult”.

Rating a hike is difficult, as everyone has different physical abilities. A hike can even feel different from one day to the next. When we start reaching distances of 15 km+ with over 1,000 m of elevation gain, it may be too difficult for some Banff hikers, but it may be more of a moderate hike for many.

Challenging trail conditions on the Twin Lakes trail

Although the popular AllTrails hiking app rates this Banff hike a “moderate” hike, we agree with Parks Canada’s rating of the Twin Lakes hike as “difficult”. By itself, we rated the hike to Arnica Lake as “moderate”, but adding the hike to the Twin Lakes adds an additional 7.3 km of distance and 413 m of elevation gain. In our opinion, this is enough to bump up the Twin Lakes trail to be a difficult Banff hike.

Yes, the Twin Lakes trail will be a moderate hike for many, but we feel that most regular Banff hikers will find the Twin Lakes trail to be challenging.

How Long Does the Twin Lakes Hike Take?

It should take a typical adult around 5 – 7 hours to hike to the Twin Lakes and back. We recently did the Twin Lakes hike during larch season and it only took us 4 hours and 40 minutes – including time to admire Vista Lake and take tons of pictures of the larch trees around Arnica Lake.

Golden larches on Storm Mountain - Best Banff Larch Hikes

Twin Lakes Trail Map

The Twin Lakes trail is easy to follow and is well marked with Parks Canada trail signs. If you are feeling uncertain, you can use the AllTrails app while hiking to the Twin Lakes, but the hiking trail is easy enough to follow.

To find the Twin Lakes trail map in AllTrails, simply search for “Twin Lakes via Gibbon Pass Trail”. Be sure to download your hiking maps prior to leaving as you can’t count on having a cell signal in this remote corner of Banff National Park.

a beautiful larch forest between Arnica Lake and the Upper Twin Lake in Banff, Canada
Larches in-between Arnica Lake and Upper Twin Lake

A paper map isn’t required for this difficult Banff hike, but if you prefer to hike with a paper map and compass as an additional safety layer, we highly recommend Gem Trek hiking maps. We own the entire set of these excellent Banff and Kananaskis hiking maps. They are exceptional 3D topographic maps which we love looking at for hiking inspiration.

The Twin Lakes trail map is found in the “Banff and Mt. Assiniboine” Gem Trek hiking map.

Hiking Twin Lakes Trail with Kids

If you are visiting Banff with kids, you may find the long and steep Twin Lakes trail to be too hard for younger kids. If you are interested in this hike for your family, why not try hiking to Arnica Lake with your kids and see how you feel once you get there. If you feel up to it, your family can always continue hiking from Arnica Lake to the Twin Lakes.

We have not yet hiked the Arnica Lake with our kids, who are 8 and 6 years old, but based on hikes of comparable difficulty (like the Taylor Lake trail, Sentinel Pass or the Wind Ridge hike) we know that they could do it.

Larch trees on Storm Mountain behind Upper Twin Lake in fall

Don’t miss these other best Banff day-hikes with kids.

Where to Stop for Lunch or a Break

The obvious place to stop for lunch is at one of the beautiful Banff lakes along this hike.

With the majestic rocky cliffs of Storm Mountain providing the backdrop, Arnica Lake is a place where you’ll want to stop and take it all in.

gold larches around Arnica Lake Banff
Arnica Lake in September

While Arnica Lake is a very scenic Banff lake, we prefer to hike to the end of the hiking trail to have a break. In this instance, that means hiking all the way to the Lower Twin Lake before stopping to have lunch.

The Twin Lakes hike is beautiful in fall, with a few golden larch trees and a thin blanket of snow on Storm Mountain
Lower Twin Lake, Banff

No matter which of the four Banff lakes you stop at, you’ll enjoy amazing views!

Twin Lakes Hiking Safety

There are relatively few hiking hazards along the Twin Lakes hiking trail.

The trail is well maintained and easy to follow from the trailhead to Vista Lake, while the trail to Arnica Lake has a moderate amount of rocks and roots. The rocks and roots remain on the final leg to the Upper and Lower Twin Lakes, and you’ll also encounter a fair amount of muddy sections.

On a Banff hike this long and remote, it’s important to educate yourself on Bear Safety in Banff National Park. This should entail carrying bear spray, hiking in a group and making plenty of noise on the way up.

A river flows from Lower Twin Lake towards the Bow River

Cougars also live in Banff National Park. Learn more about Cougar Safety in Banff National Park.

Chances of a dangerous wildlife encounter in Banff are very low, but you never know what will happen with Banff wildlife, so be prepared.

We recommend you check the Twin Lakes trail report (under Bow Valley/Castle Junction Area) for the Twin Lakes trail conditions, wildlife warnings and possible closures before you head out.

Always check the Twin Lakes trail report before heading out for the day

Twin Lakes Trail Logistics

  • On-leash dogs are allowed on the Twin Lakes hike.

  • Mountain biking is not allowed on the Twin Lakes trail.

  • There are toilets no toilets in the Vista Lake parking lot. If you’d like to go prior to beginning your hike to the Twin Lakes, stop at the trailhead for the Boom Lake hike on the way. It’s only a 1 minute drive from Boom Lake to the Vista Lake parking lot.

  • Plan to pack plenty of water and high energy snacks for this hike. Fill your hydration packs before you leave.

  • You might get 1 bar of cell service on the higher elevations of the Twin Lakes hike, but 1 bar cannot be counted upon for anything useful. Don’t count on having a cell signal for your safety.
hiking Arnica Lake Trail in Banff

What to Bring for Hiking the Twin Lakes Trail

Check out our list of hiking essentials with the hiking gear and clothing we recommend to get the most enjoyment out of your hike, regardless of the variable Banff weather and trail conditions.

Here are a few items that we recommend bringing on every Banff hike:

  • Bear spray is a must. Cannisters are available to buy or rent at many locations in Canmore and Banff. Carry your bear spray in an easily accessible location.

  • Water – the Twin Lakes trail has a steady & extended uphill climb. You’ll get a good sweat going on your hike, so be sure you have enough water with you. A hydration pack is an effective and eco-conscious way to bring enough water for a hard hike.

  • Bring several layers of clothing with you. The weather can be quite variable hiking in Banff National Park, no matter the season. For hiking in Banff, we typically wear convertible hiking pantsT-shirts, a fleece top and rain jackets. Bring a daybag as you can expect to put on and take off layers all day.

  • We don’t use trekking poles, but they can help with balance and to take pressure off knees on the descent.
Looking up at Storm Mountain From Arnica Lake trail - Banff Hiking Trails

Twin Lakes Footwear Recommendation

The Twin Lakes hike gets rockier and rootier the higher up Storm Mountain you go. You’ll be able to do the hike in normal hiking shoes, but you’ll likely prefer to hike in proper hiking boots with good traction and ankle support. You’ll appreciate the higher ankles on hiking boots during the muddy sections between Arnica Lake and the Twin Lakes.

The Twin Lakes hike offers outstanding views of Storm Mountain and the Bow Valley, with visits to four beautiful Banff lakes along the way. There’s even golden larch trees around Arnica Lake in fall!

Other Banff Hikes

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Twin Lakes hike in Banff, Canada

mountain reflections on Moraine Lake, Banff National Park
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