first half of a moderately hilly 49 mile loop which embraces the variety of western Columbia County -- from corn fields and dirt roads to the streets of Columbia's biggest city -- from horses and orchards to the Athens lighthouse out in the Hudson River -- and several big views of the Catskills. For second half of loop can search on Bikely for [bhvw20b]. For lots more info, map of full loop, variations, and detailed cue sheet, see www.roberts-1.com/bikehudson/r/east/w_columbia - routeID [bhvw20a]. Map points have been tweaked + tested for GPS navigation in the direction given. Not checked by us since 2009.by bikeHV