Dormer River

Banff National Park

Hard · Out and back · Official trail

Trail score 23 out of 100, from popularity, scenery and trail quality

About this trail

Dormer River is a 27.7 km out and back trail in Banff National Park. It runs 13.9 km each way. The route gains 432 m in total and tops out at 1,932 m. Hike Alberta rates it hard, and Parks Canada rates it difficult. Allow about 8 hours of moving time. At 12.2 km the trail forks. This route keeps left; the right fork is a 1.1 km side branch with the same name. The distance and climb above follow this route only, not its branches. Much of the route follows Dormer River. Also used for horseback riding and backpacking.

Length: 27.7km; 13.9 km each way
Elevation gain: 432m
Estimated time: 8h; Moving time
Route: Out and back
Highest point: 1,932m
Lowest point: 1,697m

Elevation profile

1,697 m to 1,932 m

Highest point 1,932 m, lowest 1,697 m, 432 m of climbing in total. Steepest sustained grade about 16% over 100 m.

Predicted coverage: 77% of route

77% LTE · 0% 5G

Longest modelled gap: 3.2 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.

Good for

Hiking, Horseback riding, Backpacking
Dog friendly (on leash)
River or creek

Trailhead

The trail starts at 51.5911° N, 115.5360° 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