8 trails
| Name | Distance | Ascent | Descent | OpenStreetMap Relation |
|---|---|---|---|---|
| Four Castles Cycle Route | 32.1 mi | 3,223 ft | 3,158 ft |  9375 |
| Three Castles Walk (Monmouthshire) | 19.5 mi | 3,607 ft | 3,631 ft | 7244316 |
| Clytha and Coed y Bwnydd walk, East Wales | 8.2 mi | 829 ft | 890 ft | 19331465 |
| Undy & Caldicot Moor Loop | 4.6 mi | 0 ft | 0 ft | 20286463 |
| Clytha Short Circular Walk in the Usk Valley, East Wales | 3.1 mi | 261 ft | 278 ft | 19331497 |
| The Skirrid trail in the Sugar Loaf and Usk Valley, East Wales | -0.0 mi | 699 ft | 707 ft | 19354946 |
| Caldicot & Black Rock Loop | -0.0 mi | 121 ft | 166 ft | 20281863 |
| Monnow Valley Walk | -0.0 mi | 683 ft | 1,786 ft | 7507181 |