Place · 0.3 mi away
Overview
Aster Lake is the wild heart of the Upper Kananaskis backcountry—tucked beside Mount Joffre and Mount Marlborough and reached by a serious, unmaintained route. It’s not a casual stroll; it’s a committing objective that pays off with a dramatic alpine basin and a quiet, high‑country feel.
Getting There & Route Character
- Trailhead: Upper Kananaskis Lake – Upper Lake Day Use/Interlakes.
- Distance/Elevation: about 10.8 km one way with roughly 860 m of gain.
- Route: a rough, unmaintained path via Hidden Lake, past Fossil Falls, then up the headwall to Aster Lake. Expect hard travel and active route‑finding.
Backcountry Campground Details
At the lake you’ll find a small backcountry campground with pit/vault toilets, secure food storage lockers, and grey‑water disposal. Water is from a creek—treat it. No campfires are permitted. Capacity is 6 sites (max 6 people and 1 tent per site). Reservations open 90 days before arrival, and the posted fee is $12 per person per night. Typical operating season runs July 2–November 29.
Seasonal Status Right Now
As of December 2, 2025, the Aster Lake backcountry campground season ended November 29, 2025, and camping is closed until next summer. Recent reporting noted around 30 cm of snow at Aster Lake with more higher up. This is not a groomed or maintained winter trail; travel requires avalanche terrain management and full winter kit (beacon, shovel, probe).
Nature, Geology & Why It’s Interesting
The approach traverses carbonate (limestone/dolomite) terrain known for marine fossils—hence the name Fossil Falls below the headwall. Wildlife typical of the park includes grizzly and black bears, elk, moose, bighorn sheep, cougars, and wolves; advisories and seasonal closures are posted by Alberta Parks and can change.
Permits & Logistics
Parking at Upper Kananaskis/Interlakes requires a Kananaskis Conservation Pass. Use the Upper Lake Day Use facilities before heading out.
Best Time to Visit
The sweet spot is mid to late summer when the route is largely snow‑free and the campground is open. In December, expect full winter conditions, avalanche exposure, and no camping services—unless you have winter mountaineering and avalanche experience, plan this one for summer.
Pros
- Backcountry campground with lockers, toilets, and grey‑water disposal
- Scenic alpine basin below Mount Joffre via a rugged, rewarding route
Cons
- Unmaintained, hard approach with significant elevation gain and route‑finding
- Winter brings avalanche terrain and the campground is closed after Nov 29
Tips
- Reservations open 90 days out and there are only 6 sites.
- Carry avalanche gear and training if attempting winter travel here.
- Start at the Upper Lake Day Use area and use facilities before you go.
- Bring a filter or purifier; water is from a creek at the campground.
- You’ll need a Kananaskis Conservation Pass to park at the trailhead.
