Hike Alberta
Forty Mile SummitCR31 Flints Park Campground 5 km N
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Forty Mile Summit

Near Banff · Banff National Park

Moderate · Out and back · Official trail

Trail score 65 out of 100, from popularity, scenery and trail quality

Forty Mile SummitCR31 Flints Park Campground 5 km Open the map

About this trail

Forty Mile Summit is a 27.3 km out and back trail near Banff in Banff National Park. It runs 13.6 km each way. The route gains 793 m in total and tops out at 2,177 m. Hike Alberta rates it moderate, and Parks Canada rates it moderate. Allow about 9 hours of moving time. It meets Sawback Creek Trail at 2.0 km, Rainbow Lake Trail at 3.3 km and Sawback Lake Trail at 5.1 km, and passes five other mapped junctions. Along the way you pass a campground. Also used for trail running, horseback riding and backpacking.

Length
27.3km
13.6 km each way
Elevation gain
793m
Estimated time
9h
Moving time
Route
Out and back
Highest point
2,177m
Lowest point
1,831m

Elevation profile

1,831 m to 2,177 m
2,1771,831 0 km13.7 km

Highest point 2,177 m, lowest 1,831 m, 793 m of climbing in total. Steepest sustained grade about 29% over 100 m.

Predicted coverage: 34% of route

0% LTE · 34% 5G

Longest modelled gap
4.7 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. 0.0 kmCR31 Flints Park CampgroundCampground
  2. 8.2 kmForty Mile SummitPass or saddle · 2,150 m

Good for

  • Hiking, Trail running, Horseback riding, Backpacking
  • Dog friendly (on leash)
  • Summit, Views, Camping, Alpine

Rankings

Trailhead

The trail starts at 51.4077° N, 115.7653° W.

Driving directions

Banff National Park admission

National park admission required

Buy day or annual 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 588 trails in Banff National Park

Parks Canada trail data, Open Government Licence Canada
Elevation © Mapterhorn from NRCan HRDEM (Open Government Licence Canada) and Copernicus GLO 30