Best castles around Colintraive And Glendaruel are found within the scenic Argyll and Bute area, offering a blend of historical fortifications and natural beauty. This region, characterized by its lochs and rugged landscapes, provides a backdrop for exploring ancient ruins and more recent architectural transformations. While some sites are directly within Glendaruel, others like Rothesay Castle are easily accessible via a short ferry ride from Colintraive, connecting visitors to significant regional history. The area presents opportunities to discover both well-preserved structures and atmospheric ruins, reflecting centuries of Scottish heritage.
Last updated: October 5, 2026
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Rothesay Castle is in ruins, but has been described as "one of the most remarkable in Scotland", because of its long history dating back to the 13th century, and because of the unusual circular design.
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Kames castle is an awesome 16th century tower house on Kames Bay. The castle isn't open to the public it can be seen clearly from the road. Should you want to get closer, the castle and surrounding cottages are available to rent as holiday cottages.
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Once a bulwark against invading Viking forces, the magnificent ruins of Rothesay Castle boast a long and close connection to the Stewart dynasty.
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Kames Castle is a magnificent 16th-century tower house on Kames Bay, near Port Bannatyne. The castle is privately-owned but you can get a nice view of it from the road. It is available as holiday accommodation.
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Rothesay Castle is a magnificent ruined fortress in the heart of Rothesay. The castle is unique among Scottish castles due to its unusual circular plan and long history, which stretches back to the beginning of the 13th century. You can visit the castle, which is now in the care of Historic Environment Scotland. For more information, visit: https://www.historicenvironment.scot/visit-a-place/places/rothesay-castle.
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Dunans Castle is a magnificent ruin in Glendaruel. It was built as a house in the late 16th century and transformed into a castle in the late 19th century. The castle was ruined by fire in 2001 and the present owners have been working to restore the building since 2003. For more information, visit: https://scottishlaird.co.uk.
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Asgog Loch is a natural freshwater loch nestled in the spellbinding surroundings of the Cowal peninsula. On the banks, you find the remains of Asgog Castle, a ruined 15th-century keep. The Cowal Way long-distance hike follows the shoreline.
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The castles in this region offer a glimpse into Scotland's rich and often turbulent past. For example, Rothesay Castle, with its unique circular design, has a history stretching back to the 13th century and a strong connection to the Stewart dynasty. The ruins of Asgog Castle tell a story of clan conflict, being the ancestral home of the McInnes Lamonts and destroyed during a 1646 massacre.
Yes, Rothesay Castle is particularly notable for its distinctive circular plan, which sets it apart from many other Scottish fortifications. Dunans Castle, though a ruin, was transformed into a dramatic Franco-baronial 'mock castle' in the 19th century, giving it a unique aesthetic.
Access varies by castle. Rothesay Castle is cared for by Historic Environment Scotland and typically offers good accessibility and interpretive information. For Dunans Castle, interior access to the ruined building is generally not permitted for safety reasons, but pre-booked tours of the grounds are available. Asgog Castle Ruins are free to explore via a footpath, but only three walls of the keep remain. Kames Castle is privately owned and not open to the public, though it can be viewed from the road.
Yes, Rothesay Castle is considered family-friendly and offers an engaging historical experience. While Kames Castle is privately owned, its exterior view can be enjoyed by families, and the surrounding area is pleasant.
While the castle building itself is a ruin undergoing restoration, visitors can take pre-booked tours of the 16-acre grounds. These tours provide insight into the castle's history and the ongoing restoration efforts. You can also see the impressive A-listed Dunans Bridge, designed by Thomas Telford, and the Fletcher of Dunans Mausoleum.
Rothesay Castle is located on the Isle of Bute. You can easily access it by taking a short ferry ride from Colintraive to Bute. The castle is situated in the heart of Rothesay town, making it convenient to reach once you arrive on the island.
Yes, the Asgog Castle Ruins are free to explore. They are situated in a picturesque setting on the shores of Asgog Loch, and you can access them via a footpath.
The region offers various outdoor activities. The Asgog Castle Ruins are located along the scenic Cowal Way long-distance hike, making them an interesting stop for walkers. For more extensive outdoor adventures, you can explore the many hiking trails, road cycling routes, and running trails available around Colintraive and Glendaruel.
While castles can be visited year-round, spring and autumn often offer pleasant weather and beautiful scenery. If you plan to visit Dunans Castle grounds, it's advisable to go between April and October. Regardless of the season, it's always a good idea to be prepared for Scottish weather.
Given the often unpredictable Scottish weather and the nature of exploring historical sites, it's recommended to wear sturdy shoes, especially if you plan to walk around grounds or ruins. Bringing wet-weather gear, such as a waterproof jacket, is advisable, particularly when visiting between April and October.
The Asgog Castle Ruins offer a peaceful and atmospheric experience. Situated on the shores of Asgog Loch, these 15th-century ruins are less frequented than more prominent sites, providing a quiet glimpse into the region's history amidst scenic natural beauty.
While Dunans Castle does not have on-site catering facilities, Rothesay Castle is located in the heart of Rothesay town on the Isle of Bute, where you will find various cafes, pubs, and other amenities. For other castles, it's best to check local villages for dining options before or after your visit.


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