CORP Trails Blog

This is your go-to source for all things mountain biking in South-Central Wisconsin. Stay connected with the latest news, learn how to get involved, and celebrate the vibrant biking community that makes our trails possible.

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Work Weekend at Quarry Ridge Brings Major Trail Upgrades

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Fall Jump Jam Delivers Big Air, Big Crowd

This Sunday, September 21st, CORP was incredibly grateful to host the Quarry Park Jump Jam. Thank you so much to everyone who came out and thank you @kensleylove for taking these incredible photos!!

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Student Riders Make the Grade at Middleton and Nearby Trails

Trail love was in full force Thursday night as more than two dozen Driftless student-athletes and coaches teamed up with trail stewards for a major round of maintenance Middleton, Blackhawk and Cross Plains!

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Little Bellas Build, Ride, and Crank Out the Future of Mountain Biking

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Sam Sullivan 3/1/25 Sam Sullivan 3/1/25

What do “freeze/thaw” trail conditions mean?

You’ve probably heard the term “freeze/thaw conditions” tossed around when discussing trail closures or responsible riding. But what exactly does it mean, and why is it so important to stay off wet trails during these conditions? Let’s break it down.