Some of my favorite woods and trails are up along the Smith Pond Brook and Smith Pond. The brook has two of the finest waterfalls in the Upper Valley: Big Dog Falls and Little Dog Falls. The valley up to the falls is like a mini Grand Canyon. The area around the Smith Pond is very diverse with very steep terrain, marshes, many brooks and stream, and a lot of wildlife. When I read a post that the Upper Land Trust had put in some new trails, I had to check them out. You are now able to hike a 5-6 mile loop from Rte 4A up to and back…