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Hikes · Valemount & Mount Robson · Mount Robson

Berg Lake Trail / Robson Pass — Mumm Basin Route

The Mumm Basin route climbs above the upper Berg Lake corridor and connects the Robson Pass side with the Toboggan Falls area. The terrain includes open alpine ground, shale and rock, with broad views of Berg Lake, Robson Glacier and Adolphus Lake. A 2025 trip report describes lingering landslide damage and a signed turnaround on the Robson Pass side; that report’s authors did not complete the route. Do not treat a published loop distance or another visitor’s passage as confirmation that the damaged connection is open. Ask park staff which section is currently authorized and plan an out-and-back to the signed turnaround if the through-connection remains closed.

Sources reviewed . This is a research date, not a trail inspection.

Distance
7 kmLoop
Elevation gain
450 mPublished route measurement
Walking time
3½–5 hours
Difficulty
Not ratedLoop
Berg Lake from the Mumm Basin Trail
Berg Lake from the Mumm Basin Trail, photographed in 2005.Berg Lake Canadian Rockies.jpg (opens original source) · Olivier.pilot at English Wikipedia · Public domain (opens original source) · 2005. Original image downloaded without editing; display may crop the view.

Map & elevation

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Elevation profile

A full-route elevation profile is not available yet. The mapped paths have not been verified as one continuous outing.

Choose a specific route where available. Individual map fragments are not shown as separate hike stages.

Mapped named trail sections. Shows the named upper trail; travel from the Berg Lake trailhead and any connecting side trips are not included. Line source (opens original source).

Getting there & parking

From Highway 16, turn into the signed Mount Robson park entrance near the Welcome Centre and follow Kinney Lake Road about 2.3 km to the road-end Berg Lake Trail parking. This is the vehicle access for the whole Berg Lake corridor. The waterfall and upper-basin destinations have no separate road approach. First hike the main corridor to a reserved upper campground near Berg Lake. The side-trip distances on this record begin in that upper area and exclude the much longer approach from the road.

Driving access has not been established for this selected route option; check its original sources.

Map position: 53.05085, -119.21441 · destination reference point. YORA-published shared Berg Lake trailhead This point is not a confirmed starting point for the selected route option.

On the trail

The Mumm Basin route climbs above the upper Berg Lake corridor and connects the Robson Pass side with the Toboggan Falls area. The terrain includes open alpine ground, shale and rock, with broad views of Berg Lake, Robson Glacier and Adolphus Lake. A 2025 trip report describes lingering landslide damage and a signed turnaround on the Robson Pass side; that report’s authors did not complete the route. Do not treat a published loop distance or another visitor’s passage as confirmation that the damaged connection is open. Ask park staff which section is currently authorized and plan an out-and-back to the signed turnaround if the through-connection remains closed.

Conditions & seasons

The route is exposed to mountain storms, lingering snow and rockfall terrain. Its landslide restriction is separate from the reopening of the main Berg Lake Trail. Check the individual route status before attempting any loop.

Robson watercraft and wading equipment restriction

From May 4, 2026, BC Parks prohibits watercraft and wading equipment throughout Mount Robson Park waters to limit aquatic disease spread. This includes powered and unpowered craft, inflatables, wading clothing and boots. The hiking trails are not closed by this notice.

Source checked October 17, 2026 · BC Parks (opens original source)

These are dated research notes. Open the trip planner for current available weather and advisory feeds; no alert found does not establish that a trail or road is open.

Check weather & available updates →

Camping & overnight plans

Overnight stays belong in designated Berg Lake Trail campgrounds, on tent pads or other established sites. Reserve the selected campground during the peak booking season; a day-hike visit does not provide a camping reservation. The corridor has a permanent campfire ban, and water must be treated. Dogs are not allowed on overnight trips. The basin is an upper-campground day hike; the reviewed sources do not identify a designated tent site along its exposed traverse.

Official reservation information (opens original source)

Photos of Berg Lake Trail / Robson Pass — Mumm Basin Route

Berg Lake from the Mumm Basin Trail
Berg Lake from the Mumm Basin Trail, photographed in 2005.Berg Lake Canadian Rockies.jpg (opens original source) · Olivier.pilot at English Wikipedia · Public domain (opens original source) · 2005. Original image downloaded without editing; display may crop the view.

Surrounding area and context

These photographs provide context; they do not establish the appearance of this selected route or facility.

Mount Robson above Berg Lake
Mount Robson above Berg Lake.Berg Lake - Mount Robson.JPG (opens original source) · Airj1012 at English Wikipedia · CC BY 3.0 (opens original source) · 2005. Original image downloaded without editing; display may crop the view.
Berg Lake, Berg Glacier and Mount Robson
Berg Lake, Berg Glacier and Mount Robson.Berg Lake (1).jpg (opens original source) · Jeffrey Pang from Madison, NJ, USA · CC BY 2.0 (opens original source) · 2010-09-08 11:19. Original image downloaded without editing; display may crop the view.
Forest along the Berg Lake Trail
Forest along the Berg Lake Trail.Forest along Berg Lake Trail.jpg (opens original source) · Sébastien Launay · CC BY 2.0 (opens original source) · 2011-08-19 19:18:22. Wikimedia thumbnail downloaded; Wikimedia resized the original. Display may crop the view.
Food-storage pole
Food-storage pole photographed along the Berg Lake Trail.BearPole.jpg (opens original source) · Steffen Sledz (Zone42) · CC BY-SA 3.0 (opens original source) · 2005-09-15. Wikimedia thumbnail downloaded; Wikimedia resized the original. Display may crop the view. Any adapted CC BY-SA version retains that image license.

Original photo galleries

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Take this guide with you

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Sources, dates & research notes

Descriptions are written for this guide from the linked evidence. Source review dates, published reports and field observations can differ. Photographs and route lines retain their own attribution and reuse terms.

  1. https://nrs.objectstore.gov.bc.ca/kuwyyf/berg_lake_trail_map_fce7c2b377.pdf (opens original source)
  2. https://bcparks.ca/mount-robson-park/berg-lake-trail/ (opens original source)
  3. https://happiestoutdoors.ca/hiking-the-berg-lake-trail/ (opens original source)
  4. https://www.hikingproject.com/trail/7039405/mumm-basin-route (opens original source)
  5. https://offtracktravel.ca/berg-lake-trail-guide/ (opens original source)
Details still being researched
  • Current post-reconstruction reports give approximately 22 km while official general figures remain 23 km; exact route version and endpoint matter.

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