Coast through fall foliage on the longest mountain coaster in the US – Lonely Planet Adventure-lovers may be adding a new rollercoaster in New York to the list of outdoor experiences they would like to conquer. The Cliffside Mountain… Travel News Stories – Adventure travel – Lonely Planet Submit a Comment Cancel replyYour email address will not be published. Required fields are marked *Comment Name * Email * Website Save my name, email, and website in this browser for the next time I comment.