The
B5300 (known locally as the
Coast Road) is a
B road which runs for approximately twelve miles between the towns of
Silloth and
Maryport in the
Allerdale borough of
Cumbria,
United Kingdom. From north to south, it passes through the villages of
Blitterlees,
Beckfoot,
Mawbray,
Dubmill, and
Allonby. It runs through the
Solway Coast Area of Outstanding Natural Beauty, passes close to the
Salta Moss
Site of Special Scientific Interest,
Milefortlet 21, a Roman archaeological site, the salt pans, a remnant of the
Solway plain's medieval saltmaking industry, and the village of
Crosscanonby. It is an important route for carrying goods to and from Silloth docks and Maryport harbour. It is also the major road connecting smaller coastal settlements with Maryport and Silloth, from where other roads lead to
Workington,
Whitehaven,
Wigton, and
Carlisle.