Marin Ave - Circle to Grizzly - Nifty Official

The Marin Ave climb from Circle to Grizzly Peak is a notoriously steep and challenging segment in the cycling community. This segment, beginning from Arlington Circle and stretching up to Grizzly Peak, is renowned for an average grade of 17.1%, with some sections reaching a staggering 30% grade. It's a brutal ascent that tests the limits of cyclists, marked by its relentless steepness over a relatively short distance. The climb covers a 190 meters elevation gain in just 1.5 km, making it a daunting task even for the most seasoned cyclists. Its notorious slopes have earned it a reputation as one of the Bay Area's toughest climbs, often featured in cycling challenges due to its difficulty and the sheer accomplishment of completing it. Riders tackle this beast not just for the physical challenge but for the bragging rights that come with conquering one of the steepest urban climbs anywhere for its distance.

For more details, visit:

• I spoke to the few who've cycled up the Bay Area's toughest, trickiest...
• Good Data on Marin Ave in Berkeley | Mountain Bike Reviews Forum
• Grizzly Peak (Marin Ave) Bike Climb