First Connecticut Lake First Connecticut Lake is located in the town of
Pittsburg, northeast of the village center. it is the eighth-largest lake located entirely in New Hampshire. It is the lowest in elevation and largest in surface area of the four Connecticut Lakes. Fish species include
landlocked salmon and
lake trout. The lake has average and maximum depths of and , respectively. There are three public boat launch locations, Outflow of the lake into the Connecticut River is controlled via the First Lake Dam, is a There is one public boat launch location, Outflow of the lake into the Connecticut River is controlled via the Second Lake Dam, and sits higher in elevation than the second lake. Fish species include
rainbow trout and
lake trout.
Fourth Connecticut Lake Fourth Connecticut Lake is the northernmost and most remote of the Connecticut Lakes; it is also the smallest, at . It is the source of the
Connecticut River, and is situated in the town of Pittsburg, upstream from and higher than Third Connecticut Lake. The fourth lake is immediately to the northwest of the third lake. The Fourth Connecticut Lake Trail leads hikers to the lake.
Fourth Connecticut Lake Trail The Fourth Connecticut Lake Trail is a public trail maintained by
The Nature Conservancy that criss-crosses the international border between New Hampshire and Quebec for ending with a loop around the Fourth Connecticut Lake. It is one of the few international trails in
North America. The land surrounding the lake is owned by The Nature Conservancy. The parking area for hikers is at the American facility of the
Pittsburg–Chartierville Border Crossing, located north of the Pittsburg town center via U.S. Route 3. The trail begins about to the right of the American building, with a small kiosk at the trailhead. The trail has no cell phone coverage, requires some non-technical climbing, and starts at a good elevation—hikers should be prepared, even in summer. Pets are not allowed on the trail, and no camping, hunting, or fishing is allowed. For persons starting in the United States,
passports are not needed to hike the trail as, even though parts of the trail are in Canada, the trail starts and ends on the American side of the international border. For persons starting in Canada, a passport or other border crossing document would be required in order to enter the United States at the border facility before hiking the trail. ==Climate==