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Oster Lake 1 km N
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Shirley Lake Trail

Near Lamont · Elk Island National Park

Moderate · Loop

Trail score 68 out of 100, from popularity, scenery and trail quality

Oster Lake 1 km Open the map

About this trail

Shirley Lake Trail is a 11.5 km loop trail near Lamont in Elk Island National Park. The route gains 89 m in total and tops out at 734 m. Hike Alberta rates it moderate. Allow about 3 hours of moving time. It meets Tawayik Lake Trail at 3.7 km and #2 Simmons Trail at 9.4 km, and passes two other mapped junctions. At 9.7 km the trail forks. This route keeps right; the left fork is a 0.6 km side branch with the same name. The distance and climb above follow this route only, not its branches. Along the way you pass Oster Lake. Also used for trail running and mountain biking.

Length
11.5km
Elevation gain
89m
Estimated time
3h
Moving time
Route
Loop
Highest point
734m
Lowest point
718m

Elevation profile

718 m to 734 m
733718 0 km11.5 km

Highest point 734 m, lowest 718 m, 89 m of climbing in total. Steepest sustained grade about 8% over 100 m.

Predicted coverage: 100% of route

0% LTE · 100% 5G

Longest modelled gap
0.0 km
Model
2024 · Natural Resources Canada

Predicted coverage is not guaranteed. It varies by carrier, terrain, weather, device and network load, and it does not guarantee emergency service.

Along the way

  1. 4.3 kmOster LakeLake

Good for

  • Hiking, Trail running, Mountain biking
  • Dog friendly (on leash)
  • Lake

Rankings

Trailhead

The trail starts at 53.6188° N, 112.8740° W.

Driving directions

Elk Island National Park admission

National park admission required

Buy Discovery Pass

Pass details

Visitors spending time in a national park need valid daily admission or a Parks Canada Discovery Pass. Admission is separate from camping, reservations, parking and other service fees.

Information checked October 21, 2026.

Official details

Before you go

Carry an offline map and plan for no service in backcountry areas. Trails close for wildlife, fire, weather and construction. Check the official sources:

Nearby trails

All 12 trails in Elk Island National Park

Trail data © OpenStreetMap contributors, ODbL
Elevation © Mapterhorn from NRCan HRDEM (Open Government Licence Canada) and Copernicus GLO 30