Route Overview
The Sea to Sky Highway (BC-99) runs north from West Vancouver along Howe Sound — a deep glacial fjord — through Squamish and up to Whistler. The road hugs the coastline with the Pacific on one side and the Coastal Mountains on the other. You'll pass Shannon Falls, Stawamus Chief (one of North America's largest granite monoliths), and the Sea to Sky Gondola before the road climbs into alpine territory heading into Whistler.
The corridor was rebuilt for the 2010 Winter Olympics and the road quality is excellent. There's enough variety — sweeping bends along the fjord, technical hairpins through Murrin Provincial Park, and fast flowing sections near Function Junction — to satisfy every riding style.
Pro tip: Avoid summer weekends before 9am or after 4pm — the highway gets tourist traffic heading to Whistler. Weekday mornings in June or September are peak window. Check IronRoute's daily briefing for wind alerts (gusts through the Squamish channel can be aggressive).
Key Waypoints & Stops
Horseshoe Bay — Start / Fuel Up
Leave the Trans-Canada at Horseshoe Bay (West Vancouver) and pick up BC-99 north. Last Shell station before Squamish. Grab coffee. The road opens up immediately — you're on the fjord within minutes.
Porteau Cove — First Stop (~40km)
Provincial park on the water. Great spot to pull off, stretch, and take in the view across Howe Sound to the mountains. The road between here and Squamish is some of the best: long sweepers right on the water.
Squamish — Fuel + Stawamus Chief (~65km)
Midpoint. Fuel up at the Squamish Petro-Canada. The Stawamus Chief looms directly overhead — 652 metres of vertical granite. Shannon Falls is 1km south if you missed it. Squamish is also where Howe Sound winds can be most intense — check the gusts before proceeding.
Murrin Provincial Park — Technical Section (~70km)
Just north of Squamish, the road tightens up with some of the best technical corners on the whole route. Lake-side pullout available. Take it at your own pace here — the rock cuts limit sightlines.
Brandywine Falls — Mid-Alpine Stop (~95km)
Quick side stop: 70-metre waterfall visible from the parking lot. The elevation here is around 800m — temperature drops noticeably. If you left Vancouver in a t-shirt, this is where you'll want your jacket.
Whistler Village — End Point (~120km)
Ride into Whistler Village. Day Lodge Parking is free on weekdays. Function Junction (5km south of the village) has excellent food and a slightly less hectic vibe. Return via the same route or loop back through Pemberton for a longer day.
Ride Tips & Hazards
Wind Warning
Squamish is one of BC's windiest corridors. Gusts above 50km/h are common. IronRoute's briefing flags wind advisories for this specific corridor — check before you go.
Weather Changes Fast
Clear in Vancouver can mean fog or rain at elevation. Pack a light rain layer. May and October have the best weather consistency. June–August have afternoon cloud build-up.
Tourist Traffic
Peak summer weekends see heavy RV and tourist traffic. Lane splitting is illegal in BC. Patience required. Weekday mornings are the play.
Gravel on Apexes
Rock cuts drop gravel onto the road, especially after rain. The sections through Murrin Park and the canyon north of Squamish deserve respect in wet conditions.
Know before you go.
IronRoute checks Sea to Sky conditions every morning — wind speeds through Squamish, mountain precipitation, and the optimal ride window. Free daily email.
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