Grand Chasm Details
Bike typeAM, XC, Fat
Trail UsageBiking Only
TTFs on trailBerm, Bridge, Drop, Jump, Ladder Bridge, Rock Face
Ride in rainYes
Originally built in the the mid 90's the area around Grand Chasm has seen significant changes over the years and multiple lines developed as local riders looked to take advantage of the terrain and natural features around the heart of the old mines.
In 2011 the local mountain bike club, in consultation with IMBA representatives, started to redevelop and align the trails in order to improve flow, length and sustainability of the trail. After nearly 4 years of work the final produce was unveiled and a new 1.1km signature trail was opened in Shuniah Mines. Riders are now treated to a true flow trail with long sweeping sections, bermed corners, and plenty of optional tech features including; a ladder bridge, roll-able jumps and rock features. The new trail takes advantage of modern trail building techniques, while still maintaining the "old school" feel.
*New for 2016*
Due to the closures of old mine shafts in the area by the city of Thunder Bay, the top portion of Grand Chasm has required significant re-routing. Local builders with the support of the city have been given the opportunity to complete the first machine built section of trail in Shuniah Mines. Expected to open when work is completed in the spring of 2016, the new top portion of the trail will contain some of the largest XC features every constructed in the trail system.
Local Trail Association
More Stats for Grand Chasm mountain bike trail
Altitude min899 ft
Altitude max900 ft
Altitude start900 ft
Altitude end900 ft
- view trail stats
Grand Chasm Trail Reports
Nov 30, 2016 @ 5:46amNov 30, 2016
|All the snow is pretty much gone. Lots of mud and a few icy patches.|
Nov 25, 2016 @ 12:39pmNov 25, 2016
|Fresh deep snow on most trails.. Nothing packed for riding yet.|
May 16, 2016 @ 5:24amMay 16, 2016
|Trails are mostly dry. There are still some soft spots, so please be considerate to not rut them out.|
Sep 15, 2015 @ 5:51amSep 15, 2015
|This trail is closed until further notice while the city Parks Department works on fencing off the collapsing mine shafts. Once the work is...|
Sep 11, 2015 @ 7:01pmSep 11, 2015
|Perfect! Thanks blacksheep|
Technical Trail Features (TTF)
Routes with this trail
|Shuniah's Best of the Mines||6.3 miles|
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