[VIDEO] Abandoned Limestone Mine Converted into World's Largest Indoor Bike Park

Christmas came early for BMX and mountain bike riders as the Mega Underground Bike Park in Louisville, Kentucky opened last month, creating the ultimate indoor bike park for kids and adults alike.

Located 100 feet underground, the site encompasses over 320,000 square feet, making it the largest indoor bike park in the world. In addition to copious amounts of space, the underground setting provides the perfect conditions for riders as the atmosphere stays constant at 60 degrees. 

Designed and built by Joe Prisel, the former limestone mine, which is part of Mega Cavern, includes more than 45 trails, Jump Lines, Pump Tracks, Dual Slalom, BMX, Cross Country and Single Track. Each trail is marked by different technical skills and riding styles.

"We have a very large area to work with," said Tom Tyler, co-owner of Mega Cavern. "You can't duplicate it. Somebody would have to go out and dig rock for 40 years before they have what we've got here."

Co-owner Jim Lowry says riders can expect more changes in the coming months, including mountain bike and helmet rentals, plush Phase Two of the park expansion.

"We are building a school area, which will include five lines (bike trails) so that riders can gradually improve their skills," Lowry said.

The recycling of the mine is a prime example of how miners and companies can utilize abandoned or reclaimed mining sites for other purposes.  The Mega Cavern mine was purchased from a limestone mining company back in 1989 with plans of drawing tourism to the site.

Hour of operations are Monday through Thursday from 10 am to 6 pm, and Friday and Sunday from 10 am to 8 pm. For more information visit the Louisvillemegacavern.com.