This is a wonderful place to walk. Lots of people walking their dogs. I've been here all times of the year as I live nearby. In the summer, it can be extremely busy, and almost everyone, including me seems to have a dog. Other times of year (including winter - not sure why it's described as only open part of the year) it's quite. Parts of it are great for photography. And I've seen people swim in the river here too. Nice kayaking around here too but this trail isn't the best access. You'd have a long carry in.
Sandra E. on Merrimack River Outdoor Education a...
This is an easy, enjoyable, level trail. It has trail markers and benches along the way. The trail is interesting as it meanders through a pine forest, an open meadow, continues beside the Merrimack River to a silver maple forest, a cove and a marsh.
My wife and I enjoyed this trail. It's an easy walk, clearly marked. It winds first down by the marsh. There's a nice platform bench there if you want to sit and talk or watch the blue heron and other birds (bring your camera). Then the trail continues back toward Hoit Rd. where you cross the road and go on the longest leg.
Several choices make for a hike of whatever time length you prefer.