Hiking the Catskills provides everything hikers need to plan day hikes in the Catskill region of New York State: a five-county area west of the Hudson River that includes parts of Delaware, Greene, Otsego, Sullivan and Ulster counties. This guide selects 40 hikes from the best among the Catskills’ famous peaks above 3,500 feet, as well as more moderate trails to backcountry waterfalls, easier trails to some of the area’s most spectacular viewpoints, and rail trails that provide access to fragrant woodlands and unusual geological wonders.