Vermont: Marble Causeways & Long Backcountry Corridors
Island Line Trail (Burlington Causeway)
Location: 111 Colchester Point Rd, Colchester, VT 05446
Highlight: Spectacular 3-Mile Lake Causeway Corridor
An absolute masterpiece of rail-to-trail conversion. Following the historic Rutland Railroad alignment, this path features a breathtaking, narrow stone marble causeway that skates literally right out into the middle of Lake Champlain. Surrounded by water on both sides, it offers unmatched panoramic views of the Green Mountains and Adirondacks, complete with a seasonal bike ferry.
Lamoille Valley Rail Trail
Location: 234 Railroad St, St. Johnsbury, VT 05819
Highlight: Longest Continuous Rail Trail in New England (93 Miles)
Spanning an incredible 93 miles entirely across northern Vermont from St. Johnsbury to Swanton, this converted line runs past historic farming towns, old mills, and over beautiful mountain rivers. The packed gravel surface is engineered perfectly for long-distance biking, hiking, and winter snowmobiling, passing closely by the historic St. Johnsbury Welcome Center.
Missisquoi Valley Rail Trail
Location: 120 Homestead Dr, St. Albans, VT 05478
Phone: (802) 524-5958
Website: Missisquoi Valley Rail Trail
Highlight: 26.4-Mile Central Vermont Railway Alignment
Tucked into northwestern Vermont, this highly scenic 26.4-mile trail stretches comfortably from St. Albans to Richford. It directly follows the historic, low-grade corridor of the old Central Vermont Railway, cutting through a gorgeous patchwork of agricultural valleys, quiet wetlands, and small dairy farming communities right up near the Canadian border.
Manchester Rail Trail
Location: 300 Railroad Ave, Manchester, VT 05255
Highlight: Short 2.5-Mile Historic Marble Bed Path
A short but incredibly distinct and scenic historic rail bed situated in southern Vermont. This flat, 2.5-mile path features segments laid directly over local marble dust and stone remnants from the region's 19th-century quarrying boom. It links cleanly to adjacent neighborhood trails, making it ideal for peaceful afternoon walking loops.
New Hampshire & Massachusetts: Trestles, Deep Cuts & Dark Tunnels
Cotton Valley Rail Trail
Location: 15 Railroad Ave, Wolfeboro, NH 03894
Highlight: Historic Wooden Railroad Trestles & Lakeshore Views
This stunning 12-mile New Hampshire trail winds beautifully right across the shores of Lake Winnipesaukee and Lake Wentworth. Its most famous historic features are the fully restored wooden railroad trestles that carry trail users directly across open lake channels, where active recreational rail cars still occasionally share the tracks.
Mass Central Rail Trail (MCRT)
Location: 20 Treat Way, Northampton, MA 01060
Highlight: Restored Stone Arch Bridges & Deep Woods Cuts
A massive, historic statewide connector project tracking across 27 separate communities. Once fully completed, it will span over 100 continuous miles along old railway alignments from Boston to Northampton. Active sections are highly prized for showcasing beautifully restored 19th-century stone arch rail bridges, deep rock cuts, and dense forest scenery.
Clinton Abandoned Railroad Tunnel
Location: Boylston St / Wachusett Dam, Clinton, MA 01510
Highlight: Historic 1,100-Foot Unlit Graffitied Tunnel (1903)
Located a short walk from the historic Wachusett Dam, this 1,100-foot-long abandoned train tunnel was carved straight through solid rock in the early 1900s. Long out of service, the interior is covered in decades of local graffiti. The tunnel is completely unlit, features standing floor water, and strictly requires a high-power flashlight and solid boots to explore safely.
Hoosac Range Trail & Tunnel Vista
Location: 2425 Mohawk Trail / Route 2, Florida, MA 01247
Highlight: 6-Mile Mountain Trail Sitting Atop a Monumental 4.75-Mile Tunnel
The Hoosac Range Trail offers a spectacular 6-mile out-and-back mountain hike to Spruce Hill. Deep beneath the ridgeline sits the active, legendary Hoosac Tunnel—a monumental 4.75-mile train tunnel completed in 1876 that claimed the lives of nearly 200 workers during its explosive construction. While the deep mountain tunnel remains an active freight corridor, the trail above offers sweeping historical vistas.
Rhode Island: Forgotten Urban Tunnels & Coastal Bike Paths
East Side Railroad Tunnel Portal
Location: Gano St & Amy St, Providence, RI 02906
Highlight: Historic 1908 Sealed City Transit Tunnel
An iconic piece of forgotten urban transit history. Extending over 5,000 feet directly underneath College Hill in Providence, this massive underground link was engineered in 1908. Out of service since 1976, the dark interior is heavily reinforced and securely blocked by iron city gates. Urban historians can safely view the historic, weathered brick eastern portal located right along Gano Street.
East Bay Bike Path
Location: India Point Park, Providence, RI 02903
Highlight: 14.5-Mile Shoreline Route over the PW&B Railroad
A beautiful, fully paved 14.5-mile multi-use trail that directly traces the eastern shoreline of Narragansett Bay from Providence down to Bristol. The popular greenway occupies the scenic, low-grade right-of-way of the old Providence, Warren, and Bristol Railroad, crossing coastal bridges and offering continuous ocean breezes.
Washington Secondary Bike Path
Location: 111 Depot St, Coventry, RI 02816
Highlight: 19-Mile Greenway on the Hartford & Fishkill Line
Stretching for 19 flat, continuous paved miles, this impressive path takes travelers along the historic corridor of the old Providence, Hartford, and Fishkill Railroad. Maintained by the RI Department of Transportation, its highly scenic segments (including the heavily wooded Coventry Greenway) feature beautiful river crossings and old mill town access.