Billerica? Singletracks Mountain Bike News, Reviews, MTB Trails and Community › Protected: Forums › Mountain Bike Forum › Billerica? Tweet Add to Flipboard Magazine. Tagged: Trails Viewing 0 reply threads Author Posts June 21, 2009 at 09:23 #80814 mtnspectre Last minute trip for work. Any trails up in the area that are open and rideable? Technical, easy…..it doesn’t matter. Thanks. Author Posts Viewing 0 reply threads You must be logged in to reply to this topic.