Upper Spiral Tunnels Viewpoint Trail

What to expect

This is a short, level walk to a classic rail-history viewpoint overlooking the Kicking Horse River valley and Cathedral Mountain. The payoff is watching long freight trains navigate the 1909 Spiral Tunnels—if you’re lucky, the same train appears at multiple points at once as it loops through the mountain. Interpretive signs explain how the tunnels tamed the notoriously steep “Big Hill.”

The path itself is minimal: roughly 0.3 miles total out-and-back, mostly flat, from the parking pullout to the viewing area and back. Think scenic stop with an educational angle rather than a true hike.

Need to know

• Trains pass at varying times (reports note as many as 25–30 per day), but there’s no public schedule—build in some patience if seeing one is a must.
• The surface is gravel/packed dirt and generally easy for all ages, with minimal elevation change.
• Bring binoculars or a zoom lens; the portals and trains are across the valley.
• Combine this stop with nearby sights like Takakkaw Falls or riverside walks along the Kicking Horse.

Access

The signed Upper Spiral Tunnels Viewpoint is about 2.3 km up Yoho Valley Road from Highway 1 near Field, BC. It functions as a roadside pull-off with a short stroll to the viewpoint.

Best time to visit

Late spring through early fall is best; Yoho Valley Road typically closes in winter due to snow. Summer offers the most reliable weather and frequent train traffic. Plan extra time if you really want to catch a train; arrivals are irregular.