Ridgefield Rail Trail, Ridgefield, CT The Ridgefield Rail-Trail meanders for nearly 2.5 miles through the forested exburbs of Ridgefield, Connecticut. This is a great trail to walk your dog. No bicycles allow. The trail passes among suburban acreages, along a creek at one point, and past a couple of the town's parks and open spaces, including Florida Refuge. The trail was built by Connecticut Light & Power.