Marble Canyon
British Columbia • Carmanah Walbran Park
By Armen Suny · Last verified Oct 2026
Photo Credits (5)
About Marble Canyon
Marble Canyon is listed at these coordinates inside Carmanah Walbran Provincial Park on southwestern Vancouver Island, British Columbia. We could not find an official or published description of this canyon or a waterfall in it, so its features and access are unverified. The park is reached only by gravel logging roads, and BC Parks describes its trails as primitive and very muddy.
The Setting
Marble Canyon sits at 136 metres within Carmanah Walbran Park, in the coastal lowlands of British Columbia.
Why This Waterfall Exists
Marble Canyon flows over hard intrusive rock laid down about 145-252 million years ago. These resistant rocks form a durable ledge that water cannot easily wear away, creating the falls where softer material downstream has already eroded.
Trail & Hike Details
Accessibility
Likely not accessible for wheelchairs or strollers. Terrain is expected to be steep, rocky, and uneven with possible scrambles, plan for limited accessibility.
Frequently Asked Questions
🐶 Are Dogs Allowed at Marble Canyon?
❌ Dogs are not allowed
Pets must be leashed and under control in Carmanah Walbran Park, and BC Parks says backcountry areas are not suitable for dogs because of bears and other wildlife.
Are There Any Fees or Permits Required?
🆖 No fees required
🏊 Is There Swimming at Marble Canyon?
❌ Swimming is not allowed
When to Visit
Late spring for higher flows and vibrant moss growth; early-to-mid summer for easier, drier access; fall for lower crowds and autumn colors. Avoid visiting during heavy winter storms due to slippery conditions and increased runoff unless you are prepared for remote, wet terrain.
Seasonal Access
The best time to visit is Spring, Summer, and Fall. Winter access may be limited. Check with Carmanah Walbran Park for current conditions.
Safety Information
Access is on active private logging roads where logging trucks have the right of way. Park trails are primitive, muddy and remote, with no services nearby.
Current Water Conditions
These readings come from the Water Survey of Canada gauge on San Juan River, 22.9 km away, not on Marble Canyon's own stream. Use them as a sign of whether the area is running wet or dry.
6.1 m³/s
Current discharge — how much water is flowing
Lower than usual for this time of year
Based on 62 years of record
2.16 m
Water depth at gauge
7-Day Discharge Trend
What does this mean for your visit?
Flow is lower than usual for this time of year.
About This Gauge
This gauge is on a nearby waterway and may not reflect exact conditions at the falls.
7-Day Flow Outlook
Based on the WSC gauge SAN JUAN RIVER NEAR PORT RENFREW (23 km away).
Today
Low
6.7 m³/s
4/10Tomorrow
Low
7.1 m³/s
5/10Sat
Low
7.7 m³/s
4/10Sun
Moderate
7.8 m³/s
5/10Mon
Low
7.2 m³/s
5/10Tue
Low
7.0 m³/s
5/10Wed
Low
7.3 m³/s
5/10Best window: Tomorrow — low flow, cloudy (trip score 5/10).
Best time of year: this gauge typically runs highest from mid November to late December, peaking in November.
How we calculate this
This is a transparent outlook, not a precise forecast. We take the waterfall's current flow strength (how it ranks against its historical normal for today, from the nearest WSC stream gauge), carry that ranking forward along the gauge's seasonal curve, and nudge it for forecast rain. Confidence is highest for the next day or two and falls further out. Always check official conditions and your own judgment before visiting — high flows can be dangerous.
Know when to go.
Get a free email alert when waterfalls near Nanaimo hit peak flow. We only send when conditions are worth the trip — no weekly newsletters, no spam.
Weather Forecast
Location & Access
Getting There
Carmanah Walbran Provincial Park is reached only by private logging roads via the Caycuse River Bridge, with three routes from Port Alberni, Port Renfrew or Lake Cowichan. Logging trucks have the right of way at all times. No documented route to Marble Canyon was found.
Get Directions on Google MapsElevation
136 metres above sea level
Coordinates
48.639251° N, -124.607290° W
Land Management
Managed by Government of British Columbia
Visitor Tips & Gear
The park has no gas, food, roofed lodging or medical services, so arrive with everything you need. Trails are primitive and very muddy. Check BC Parks for advisories before you go.
Where to Stay
Browse vacation cabins and private rentals nearby
Unique outdoor stays — tents, yurts, and treehouses
Rent a campervan or RV for your waterfall road trip
Some links are affiliate links. We may earn a commission at no extra cost to you.
Nearby Campground
Central Walbran Valley
1.7 km away
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Nearby Attractions
Carmanah Walbran Provincial Park protects some of the world's largest old-growth Sitka spruce and western redcedar.
Wildlife
The park's creeks support salmon, cutthroat trout and steelhead, which draw gray wolves and black bears. Nesting marbled murrelets and northern goshawks also use the old-growth forest.
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