Thunderbolt Black Diamond | Copper Harbor’s Gnarliest East Bluff Descent

Thunderbolt Trail Guide | Copper Harbor East Bluff Black Diamond MTB (Full Breakdown) Copper Harbor’s East Bluff Bike Park is home to some of the most intense and exciting Black Diamond mountain bike trails in the Midwest — and Thunderbolt is one of the absolute must-ride lines for advanced riders. If you’re making the trip to the Keweenaw Peninsula, this trail alone is worth the drive. Before you drop in, it’s important to know what to expect — the big hits, the sketchy sections, and the features that can catch even experienced riders off guard. This video walks you through Thunderbolt from top to bottom, so you can ride with confidence. 🚵 Trail Notes — What to Expect on Thunderbolt ⚠️ Rider Level • Advanced riders only • Novice riders should NOT attempt this trail • Even intermediate riders may find the features intimidating 🛠 Key Features & Terrain • Massive opening drop — thrilling but intimidating • Option to bypass the first drop by starting on Bermasaurus and merging onto Thunderbolt • Rough, natural terrain: rocks, roots, loam, and uneven surfaces • Jumps and features that require precise control • Not flowy or smooth like many blue trails — this is raw, technical, and demanding ⚠️ Safety Tips • Ride slowly on your first lap and inspect all major features • The lower sections include unexpected drops down steep rock faces • These bottom features can be dangerous if you ride in blind or at speed • Know your limits — session the trail before committing to a full-send run 🌄 Why Thunderbolt? • One of Copper Harbor’s most exciting expert lines • A raw, technical, adrenaline-pumping descent • Perfect for advanced riders looking for challenge and progression • A showcase of East Bluff’s rugged trail building style 00:00 Thunderbolt Introduction 1:10 about the shuttle 1:36 trailhead drop off 2:05 start Thunderbolt Downhill 4:17 jump line 5:20 rock jump drop-off 6:10 steep rock face downhill 7:15 another very steep rock-face downhill 8:10 last rock-face drop Shout out to Cycle Therapy Bikes in Waterford, Mi for keeping my bikes perfectly tuned. It’s the best, friendliest bike shop I have ever been to. https://www.ctbicycles.com