Loch Calder & the Cairns of Camster loop from Thurso

This moderate road cycling loop is approximately 109 kilometers (67.7 miles) long. It typically takes around 5 hours to complete, though this can vary depending on your pace and stops at points of interest.

This route is categorized as a moderate road ride, requiring good fitness. While mostly well-paved, some segments may be unpaved and challenging for road bikes. Beginners might find the distance and elevation gain (around 730 meters or 2,395 feet) demanding, so it's best suited for cyclists with some experience.

The route primarily consists of well-paved surfaces, making for an easy ride for most of its length. However, be prepared for some unpaved sections, which can be more challenging, especially for road bikes. The remote nature of the Caithness region means you can expect quiet roads throughout.

While specific parking for this exact loop isn't detailed, Thurso, being the starting and ending point, offers various public parking options suitable for cyclists. It's advisable to check local parking availability in Thurso town centre or near the route's initial segments.

The loop offers several notable sights. You'll enjoy views of Loch Calder and pass by the ancient Grey Cairns of Camster. Another highlight is the Holborn Head Lighthouse, offering scenic views.

Cycling through the remote Caithness region, particularly near the Flow Country, you might spot various bird species. The area is known for its unique peatland ecosystem, which supports specific wildlife adapted to this windswept environment. Keep an eye out for local birds and perhaps even deer in the more secluded areas.

As a road cycling route, dogs are generally permitted if they are securely attached to your bike (e.g., in a trailer or basket) and do not interfere with other road users. However, when visiting specific sites like the Grey Cairns of Camster, please ensure dogs are kept on a leash and any local regulations are followed, especially concerning livestock or ground-nesting birds in the surrounding moorland.

The best time to cycle this loop is typically during the warmer, drier months, from late spring to early autumn (May to September). During this period, you'll likely experience more favorable weather conditions, though the Caithness region is known for its windswept landscapes, so be prepared for changeable weather at any time of year.

No specific permits or entrance fees are required to cycle this route or to visit the Grey Cairns of Camster, which are managed by Historic Environment Scotland. While the route passes through the broader area of the Forsinard Flows National Nature Reserve, there are no general cycling permits or entrance fees for accessing the public roads and paths within it. However, always respect local signage and regulations, especially concerning private land or protected areas.

This loop takes you through a remote part of Caithness, and facilities like cafes or pubs are sparse directly along the route, especially between Thurso and the Cairns of Camster. It's highly recommended to carry sufficient water and snacks. Thurso, your starting and ending point, offers a good selection of amenities for refreshments and meals.

Yes, this route briefly intersects with a section of the EuroVelo 12 - North Sea Cycle Route - part United Kingdom 8 for about 9% of its length, and also touches upon a small part of the Great North Trail (John o' Groats) for about 7% of the route. These connections offer possibilities for extending your cycling adventure.