Assiniboine Pass Trail

Assiniboine Pass Trail is the primary backpacking access route into Mount Assiniboine Provincial Park from Mount Shark Trailhead. The standard line runs from the Mount Shark Trailhead area through Bryant Creek valley, crosses the Alberta/BC boundary, and finishes at the Lake Magog area (often as a Magog Lake campground destination).

Typical one-way length is about 25–26 km, with an elevation gain around 800 m and a total “moderate to challenging” feel driven mainly by distance and load rather than technical terrain. Many parties structure it as a short 1–2 day plan using Magog Lake as the turnaround point or overnight base.

The first part of the route follows Bryant Creek valley and is relatively flat for a long stretch, making it the easiest walking of the day(s). On-route landmarks in this section include the Bryant Creek shelter and Warden’s Cabin, which also help you pace the long approach.

The last 5–6 km shift into a steady climb toward Assiniboine Pass. This is where the route commits to height and transitions from the valley forest into higher terrain near the alpine meadows by Lake Magog and the provincial park’s core area.

Day-to-day pacing is usually controlled by how quickly you reach the tree-line and how much elevation you’re willing to earn carrying full pack weight. The approach is often described as the shortest and least technical way to reach the Mount Assiniboine core, which is why it’s frequently chosen over longer or more variable alternatives.

Seasonality matters: the pass-area hiking window is typically late June through early October. Outside that period, snow and late-season conditions can significantly change difficulty even if the route itself stays the same.

Management constraints are part of the trip planning. The hikers’ high trail portion over Assiniboine Pass has seasonal closures to reduce human–grizzly bear conflicts (with Assiniboine Pass still reachable via the lower horse trail during those dates).

Logistics commonly revolve around trailhead access and trip bookings for the park’s core camping/lodging areas. Since the route ends in the Magog Lake area, most itineraries treat Magog Lake campground/camping as the key reservation target when planning a multi-day hike in.

More information: Mount Assiniboine Provincial Park - Follow That Nerd, 5 Steps To Planning An Epic Backpacking Adventure in Mount ..., Hiking to and from Assiniboine