Parking
Start at Burstall Pass Day Use beside Mud Lake on Highway 742 (Smith-Dorrien/Spray Trail). Toilets are in the lot. A Kananaskis Conservation Pass is required for a parked vehicle.

#3 of 66 trails in Peter Lougheed
Peter Lougheed Provincial Park, AB
Larch meadows lead to a limestone pass above the Spray River Valley
Overview
Map & elevation
Plan your hike

The highest, rockiest slopes around here are a summer buffet for grizzly bears.
Peter Lougheed Tour Guide
Parkwolf is a GPS audio tour guide for Peter Lougheed Provincial Park. As you drive, it chimes in with what’s ahead: hidden gems, upcoming stops, history, geology, and wildlife, right through your car’s speakers.
See the Peter Lougheed audio tourRecorded for this trailhead
Burstall Pass Day Use: Mud Lake Views“Burstall Pass Day Use Area is coming up, beside Mud Lake with a view of Commonwealth Mountain.”
Plays as you drive up to this trailhead in the Parkwolf Peter Lougheed Tour Guide.
More stories near here in the app
Trail guide
This is a 9.2-mile (14.8 km) out-and-back from Burstall Pass Day Use to the open saddle of Burstall Pass. Alberta Parks lists 7.4 km one way; GPS-based guides put the return between 15.2 and 16.4 km, so treat 14.8 km as the official route distance rather than a promise about what your watch will show. Plan on 4 to 6 hours and about 470 m (1,550 ft) of climbing. The first stretch is gentle, but the Willow Flats crossings can slow you down before a steep climb through alpine meadows. This is a hard half-day outing for a full mountain hike, not a quick viewpoint.
Park at Burstall Pass Day Use on Highway 742, beside Mud Lake. The route starts on a wide, mostly gentle logging road through forest. Burstall Lakes sit off the main path, and there are brief mountain views between the trees. A southbound junction toward French Glacier leaves early; stay on the westbound route for Burstall Pass. Beyond the end of the old road, the path narrows to single track. The forest approach makes a steady warm-up, but it is only the beginning of a long day.
The route opens into gravelly flats and crosses several braided channels of Burstall Creek. Flowing water can cover the trail, especially earlier in the season, and route markers are easy to miss among the willows. Slow down at the channels and make sure you have the next marker before pushing on. Views widen here: Mount Birdwood, Commonwealth Peak and neighboring summits frame the open valley. This stretch can feel messy underfoot even though it is not the steepest part of the hike.
After the flats, the route returns to forest for a steeper climb toward an alpine meadow. Larches spread across the upper slopes; their yellow fall color makes this a rewarding autumn walk. Alpine flowers can be abundant from early July into mid-August. The last climb passes sparse trees and a short rocky step before reaching the pass. Save some energy for the return, since the same uphill pitches are a long way from the parking lot.
Burstall Pass is an open saddle with a limestone ridge underfoot, not a built lookout or summit platform. The reward is a broad view back along your approach and out over the Spray River Valley, with high peaks all around. The pale limestone is split by cracks and fissures, so watch your footing on the uneven ground. For a photo, include the ridge in the foreground and look across the valley to give the view a sense of scale. Continuing west toward Leman Lake is an extension beyond this hike's usual turnaround.
Wildlife
132 sightingsGrizzly BearMost seen around 8 PMSighting map
17 sightingsCanada LynxMost seen around 8 PMSighting map
30 sightingsBlack BearMost seen around 6 AMSighting map
69 sightingsMooseMost seen around 5 PMSighting map
176 sightingsBighorn SheepMost seen around 6 PMSighting map
19 sightingsBald EagleMost seen around 8 AMSighting mapSighting maps show where each species has been reported across Peter Lougheed. Wildlife moves, so no sighting is guaranteed.
Keep exploring
ModerateBurstall Lakes Trail7.2 km · 2.5 hr · At the trailheadFind the lakes in the flats before the pass climbs steeply.
EasyHogarth Lakes Loop4.3 km · 1.5 hr · At the trailheadAn easy winter loop among forest lakes and Commonwealth Peak views.
ModerateChester Lake Trail9.2 km · 3.5 hr · 0.2 km awayA steady climb through larch meadows to a high alpine lake.
ChallengingHeadwall Lakes Trail13.7 km · 5.8 hr · 0.2 km awayTwo alpine lakes and a waterfall reward the long approach.
ModerateChester Lake Snowshoe Trail6.8 km · 3.5 hr · 0.2 km awaySnowshoe through forest to a lake beneath a wall of peaks.
ChallengingThree Lakes Valley Trail12.2 km · 5 hr · 0.2 km awayThree tarns and a cairned climb below Gusty Peak.
EasySouth Sawmill Loop3.7 km · 1.5 hr · 6.2 km awayA gentle winter loop on Mount Kent's forested west slope.
ChallengingKent Ridge North Summit8.1 km · 8 hr · 6.2 km awayA steep, faint loop to Kent Ridge North’s 2,923-metre summit.
Picnic area · At the trailheadBurstall Pass Day Use AreaMud Lake and mountain views before the Burstall Pass hike.
Sight · 3.2 km awayChester LakeThe mountain lake is worth the climb, especially when larches turn gold.
Sight · 3.3 km awayElephant RocksKeep going past Chester Lake for a boulder scramble.
Picnic area · 6.3 km awaySawmill Day Use AreaA useful break for views of Mount Murray and Kent Ridge.
Gas station · 10.2 km awayFortress Junction Service StationA handy fuel and resupply stop on the way into Kananaskis.
Campground · 11.8 km awayTurbine Canyon Backcountry CampgroundA 15-site forest camp reached by a long Kananaskis hike.
Picnic area · 12 km awayBlack Prince Day Use AreaA practical picnic break on the Smith-Dorrien drive.
Sight · 12.1 km awayGrizzly Creek Day Use AreaA quick pull-off for a wide Kananaskis Valley view.Parkwolf’s Peter Lougheed ranking