9k Run Caldicot: Scenic Coastal Path to Black Rock

Route Overview & Local Insights

If you're looking for a refreshing, flat, and fast session along the Monmouthshire coastline, this 9.1km out-and-back route from Caldicot to Black Rock is a local favorite. With zero meters of ascent and a high percentage of paved surfaces, it’s an ideal choice for a tempo run or a steady recovery session where you can really lock into your pace. Runners will trade the quiet streets of Caldicot for the wide-open views of the Severn Estuary as they join the Wales Coast Path. The terrain is forgiving, making it accessible for all abilities, while the coastal breeze provides a natural cooling system on warmer Welsh afternoons.

Steeped in maritime history, this route takes you to the iconic Black Rock, a spot famous for the traditional Lave Net fishermen who have worked these waters for centuries. As you reach the turnaround point, you’ll be treated to striking views of the Prince of Wales Bridge—the second Severn crossing—which dominates the horizon with its impressive engineering. The area is a haven for wading birds, so expect to share your run with curlews and oystercatchers. Starting from the shadow of the medieval Caldicot Castle and heading toward the rugged shoreline, this run perfectly captures the transition from historic market town to the wild beauty of the Welsh coast.