*Front Page, Maplelag, News, Seasons, Skiing, Sports, Winter Fat Biking at Maplelag February 3, 2018 Jay Richards Riding in the new snow on the Twin Lakes fat bike trail. February 18th, 2018. It has been a great season for fat biking. Maplelag grooms the Twin Lakes singletrack for fat biking. Latest trail report on the trail report page.