Blackwaterfoot to King's Cave via The Doon Hillfort — Isle of Arran

Embark on a moderate hike from Blackwaterfoot to King's Cave, a route that blends coastal scenery with ancient history on the Isle of Arran. This 6.7-mile (10.8 km) trail, with an elevation gain of 649 feet (198 metres), typically takes around 2 hours and 59 minutes to complete. You will experience varied terrain, starting along the shore from Blackwaterfoot, passing below the impressive columnar basalt cliffs of The Doon. The path includes bouldery sections along the foreshore and rocky coastal stretches, requiring sure-footedness. As you progress, the route climbs through woodlands, offering spectacular coastal views towards the mainland and Kintyre, alongside opportunities for spotting local wildlife like shags and oystercatchers. You will also encounter views over moorlands and unique geological formations.

Planning your visit, be aware that some parts of the coastal path can be rocky, and paths on The Doon summit may be faint and overgrown, especially in summer. Sure-footedness is important due to uneven paths and bouldery sections. While some sections, like those through the golf course, offer easier walking, the overall moderate rating reflects the varied terrain and potential for steeper descents. The trail is generally accessible, but always check local conditions before you go.

This trail is notable for its rich historical and natural features. You will visit King's Cave, famously linked to Robert the Bruce and adorned with ancient carvings dating back 5000 years, including Neolithic, Iron Age, and early Christian marks. The route also takes you to The Doon Hillfort, the largest Iron Age fortification on Arran, perched on a headland with impressive views and containing a single standing stone. The trail showcases the island's spectacular geology, with igneous intrusions and evidence of ancient sea-level changes.