Nature Resources In Princeton Area
Website on Local flora and fauna
Local area trails
http://www.walkthetrails.org is a book published by Sophie Glover and describes local trails in detail and with pictures!
http://www.njtrails.org A local organization that maintains trails in the state of NJ. The website has trails by county making it easier to navigate and find what you are looking for.
http://www.dandrcanal.com/ The Delaware and Raritan Canal provides miles and miles of pleasurable walking across the 175 year old canal. Check out the website - its choke full of information. The canal also has a blog which provides timely information on upcoming activities. http://www.dandrcanal.blogspot.com/