Open Saturdays, 11am–5pm · August + winter season
Thunder Hill, Swan Valley, MB
Est. 1999 · Volunteer Trail Club

TREAD THE
THUNDER.

RIDE. ROLL. EXPLORE.

A volunteer-based club promoting and developing mountain biking, hiking, and trail recreation at Thunder Hill in Manitoba's Swan Valley — 11+ km of multi-use single-track, now with a fleet of fat-tire e-bikes to make the hill accessible to everyone.

THUNDERHILL CHALET & TRAILHEAD · SWAN VALLEY, MB
Two riders on the singletrack at Thunder Hill on a sunlit fall afternoon
On the trail · Thunder Hill
Who We Are

Built by riders, for riders — since 1999.

Tread The Thunder is a volunteer-based club promoting and developing mountain biking, hiking, and trail recreation at Thunder Hill in Manitoba's Swan Valley. Since 1999, our members have built and maintained a growing network of multi-use trails — and in 2026 we added a fleet of fat-tire e-bikes to make the hill even more accessible.

Membership and trail-supporter donations fund trail building and signage directly. However you explore the hill — on two wheels, on foot, or on snowshoes — you're welcome. And if you love it, consider joining the club.

“Tread The Thunder is a volunteer-based club promoting and developing mountain biking, hiking, and trail recreation at Thunder Hill, located in Manitoba's Swan Valley.” — Club mission statement
1999Club Founded
11+ kmTrail Network
9Named Trails
100%Volunteer Run
Multi-Use, Year-Round

One hill, six ways to move.

The trail network is shared — riders yield to hikers, and everyone yields to families. Pick your activity by season.

Mountain Biking

Nine named trails from easy multi-use loops to advanced descents like Cook & Cooke.

Fat-Tire & E-Bike Riding

Rent a fat bike or one of our new Giant Yukon E+ e-bikes right at the chalet, no gear required.

Hiking

Walk the multi-use trail on foot — dogs welcome on leash, and the network is open year-round.

Snowshoeing

A dedicated Snowshoe Trail keeps winter foot traffic off the ski and fat-bike lines.

Cross-Country Skiing

The XC Ski Trail loop is groomed track separate from the main multi-use line.

Disc Golf

Not a biker? Try the 6-hole disc golf course or just enjoy the chalet grounds.

Trail Guide

Nine trails. Every ability.

Our official trail map and ratings, straight from the club's own trailhead signage.

Official Tread the Thunder trail map showing all nine trails color-coded by difficulty over an aerial view of Thunder Hill
Official trail map · Tread the Thunder · download the live version on Trailforks before you ride.

Easy

Multi-Use Trail
XC Ski Trail
Snowshoe Trail

Intermediate

Formo's Trail
Grazier Trail
Flowline

Advanced

Cook & Cooke Trail
Randy's Ridgeline
Trailforks app icon

Download Trailforks before you ride. Cell service is limited near the hill — grab the live map on the Trailforks app so you're never guessing on trail.

Open Trailforks
Multi-Use Trail

The family loop — gravel and packed dirt through the trees, rideable and walkable year-round.

Easy
XC Ski Trail

A groomed cross-country ski loop, kept separate from the main multi-use line in winter.

Easy
Snowshoe Trail

A dedicated winter walking route so snowshoers stay clear of ski and bike traffic.

Easy
Formo's Trail

A flowing intermediate line through the upper hill — sponsored by Formo Motors.

Intermediate
Grazier Trail

The longest loop on the hill, looping the far ridge — sponsored by Grazier Mfg.

Intermediate
Flowline

A shorter connecting run built for rhythm — berms and flow between the bigger loops.

Intermediate
Cook & Cooke Trail

Thunder Hill's signature advanced descent — steep, technical, and the longest way down.

Advanced
Randy's Ridgeline

A tight, technical ridge run — the hill's other black-rated line.

Advanced
Climbing Trail

The main access route back to the top — not rated, but you'll feel it in your legs.

Access
At The Chalet

Don't own a bike? Rent one.

No membership required to ride — just stop at the chalet.

E-Bike Rentals

Giant Yukon E+ fleet

$22/hr · $38/2hr · $80/day
  • $500 damage deposit required
  • Helmets included with every rental
  • Ask chalet staff to book, or reserve ahead by email

Fat Tire & Hardtail Rentals

Adult & kids hardtails, plus fat bikes

From $8/hr
  • Great for families
  • $100 damage deposit held on card
  • Cash, credit & debit accepted at the chalet
Bonfire pit and gravel seating area at the Thunder Hill chalet grounds in autumn

What's at the chalet

  • E-bike & bike rentals
  • Trail information
  • Coffee & cold drinks
  • Bonfire pit & washroom access
  • Snacks & baked goods
  • Cash, credit & debit accepted
Hours Saturdays, 11am–5pm August + winter season · check socials for exact dates
New Here?

First time at Thunder Hill.

Drive to the Thunder Hill Chalet & Trailhead. Parking is available at the chalet.

Stop at the chalet. Rent an e-bike, grab a drink or snack, or ask about the trails.

Open Trailforks. Download the trail map before heading out — cell service can be limited.

Pick your route. Not sure where to go? Ask us.

Ride within your ability. Trails are multi-use — watch for hikers and other riders.

Winding dirt trail through birch and pine forest at Thunder Hill in fall
Get Involved

Membership keeps the hill open.

There's no paid staff here — dues and donations fund the trail work directly.

What dues fund

Annual Membership — $20/year

  • Trail building — new lines, berms, bridges, and signage.
  • Club activities — trail days, meetups, and events on the hill.
  • Liability insurance — coverage for everyone riding the network.

You don't need to be a member to visit or rent a bike — membership is for those who want to help keep the hill growing.

Ways to support

Become a member ($20/year), show up for a trail day, send a trail-supporter donation by e-transfer, or pick up club merch.

Find The Hill

Getting to Thunder Hill.

Thunder Hill sits right on the MB/SK border, about 30 km southwest of Swan River.

From Swan River, MB
Head south on Hwy 83 for 11 km to PR 487. Turn west (right) on PR 487 and continue 18.5 km to the Thunder Hill access road — watch for the Tread The Thunder trail sign. Follow the access road 1.0 km to the chalet, trailhead & parking.
From Benito, MB
Head north on Hwy 83, then follow signs for Thunderhill Ski Area / Tread The Thunder trailhead as you near the hill.
Good to know
  • The last few km are gravel road — take it slow and watch for wildlife.
  • Cell service is limited near the hill; download maps beforehand.
  • Nearest fuel & food: Swan River or Benito, MB, or Kamsack, SK.
  • Dogs welcome on leash · trails are multi-use.
  • Check trail conditions before heading out and ride within your ability.
  • Yield to hikers and families — pass on the left.

Club Contact

President: Rob Ter Horst
Dirt access trail through the forest at Thunder Hill