Want to see the changing leaves, smell the fresh fall air and escape the crowds of Central Park? You don't have to travel far from New York City to immerse yourself into nature. Drive forty five minutes north from Midtown Manhattan, and you'll find yourself in the midst of splashing waterfalls, serene lakes and secluded hiking trails. Harriman State Park in Upstate New York has hundreds of miles of gorgeous, dog-friendly hiking trails waiting to be explored.