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Backpacking Trips in Kananaskis, Alberta - Aster Lake

By touring - Posted on 03 October 2011

Backpacking Trips in Kananaskis, Alberta - Aster Lake

Wow! This is one of the most scenic and outstanding backpacking trips in Kananaskis. Aster Lake is located within a spitting distance of the Alberta/BC border and offers a variety of terrain including mountains, meadows, steep alpine slopes and placid lakeshore. No wonder it’s hard to reserve a camping spot in the summer.

   Rating – Difficult due to elevation
   Distance – 9.6 kilometers one way
   Elevation Gain – 500 meters
   Duration – 6-8 hours one way
   When to go - July, August, September

The allure of backpacking to Aster Lake is:

  • It’s only 9.6 kilometers (one way) and more than half of it is along a relatively flat and easy trail (Upper Kananaskis Loop Trail).
  • The elevation gain is short but swift (500 m) instead of long and drawn out.
  • Along the way, you climb higher than Fossil Falls which is exhilarating yet scary at the same time.
  • Even though Kananaskis Country is a popular tourist and day-hike area, the crowds disappear once you hit the Hidden Lake Trail Junction.
  • Aster Lake can be used as a base camp to complete day hikes to the surrounding peaks of Warrior Mountain and Mount Northover. These mountains can be hiked. Climbing equipment is not necessary.
  • The mountain scenery is grand.
  • The silence is tremendous. When the weather is nice, it’s like camping in a secluded corner of heaven.

Backpacking trips in Kananaskis, Alberta, Canada - Aster Lake
The trail to Aster Lake takes backpackers & hikers higher than Fossil Falls! Watch your step!

The trail to Aster Lake starts 4 kilometers along the southern shore of the Upper Kananaskis Lake Loop trail, from the picturesque day use picnic area. The area isn’t crowded compared to Banff National Park but once we pasted the Rawson Lake trail junction, the amount of hikers really thinned out.

Hidden Lake Junction to Aster Lake

The trail to Aster Lake takes you past Hidden Lake. The trail junction is very easy to miss. On my detailed map, the intersecting trail was shown to be near a stream which, as we found out, was actually an underground stream.

After a bit of back-tracking, we got onto the right path and started the ascent to Hidden Lake. The incline was moderate but traversing downed trees and deadfall got the sweat flowing.

Hidden Lake is an intermittent lake. The water level changes throughout the year depending on the snowpack and summer rainfall. We were told that if the lake was low, we could easily skirt around the rocky shore (30 minutes). Unfortunately, we arrived when the lake was overflowing and had to bushwhack around the edge (1:30 hours).

Fossil Falls

At the end of the Hidden Lake, the real ascent starts. The steep path winds through a treed slope, next to a scree slope. At the top of this boulder field, the picturesque Fossil Falls comes into view.

Looking at the left valley wall, you can see the thin hiking trail scaling the rocky shelf, almost 400 meter up! This is where I had to slow down. Normally, the elevation gain isn't an issue but the steady incline with steep cliffs to the right made me very cautious of my footing. The trail climbs higher than the Fossil Falls!

After an hour of sweaty endurance, the trail comes over the ridge of the valley into a lush, high-altitude meadow with pine trees. Amongst the rocks next to the trail, we saw many fossils from which the waterfall gets its name.

Aster Lake, Kananaskis, Alberta

At the top, we meet a couple of people on a day hike to the area but they unfortunately couldn’t experience the quiet solitude and stoic beauty of the Rocky Mountains at night. Looking up, above the tree-line, all of our problems seem so small.

There are no set campsites at the top but bear lockers and even a Port-a-Potty are provided by the provincial park administrator.

When to Backpack to Aster Lake

Snow can linger well into July, making the trail impassible. When we called ahead to the Kananaskis Park Office in mid-July (Kananaskis Visitor's Center - Barrier Lake 1-403-673-3985 ), the park warden officer said that the trail still had 1.5 meters of snow on it. We were welcome to venture up but it was going to be slow and grueling, cold and wet.

Distance from Banff - 118 kilometers
Distance from Canmore - 93 kilometers
Distance from Calgary - 140 kilometers

Other Hikes along Highway 40

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This is one of the best backpacking trips in Kananaskis, Alberta. See you next summer Aster Lake!

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