4.2
(178)
1,921
riders
5
rides
Road cycling around Castheddu/Castelsardo offers a diverse landscape characterized by its dramatic coastal promontory, the hilly Anglona region, and well-paved roads. The area provides a mix of terrain, from undulating coastal stretches with sea views to more challenging inland routes with significant elevation gains. Cyclists can explore a region where the Mediterranean coast meets varied hill landscapes, providing options for different fitness levels.
Last updated: July 14, 2026
5.0
(3)
14
riders
49.5km
02:53
1,120m
1,120m
Hard road ride. Very good fitness required. Mostly well-paved surfaces and easy to ride.
12
riders
26.4km
01:20
370m
370m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.

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4.0
(1)
5
riders
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.
6
riders
32.9km
01:43
300m
300m
Moderate road ride. Good fitness required. Some segments of this route may be unpaved and difficult to ride.
2
riders
39.2km
02:47
1,220m
1,220m
Hard road ride. Very good fitness required. Mostly well-paved surfaces and easy to ride.
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Popular around Castheddu/Castelsardo
Beautiful stretch of beach. Mid/late May everything is still totally relaxed and you can park for free in the 🅿️ parking spots. The season only starts from June.
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Bathroom, bar and restaurant on the beach perfect for a day at the beach, a coffee break or a fish lunch. https://www.facebook.com/calypsobaiadellemimose/
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Coming from Tergu, you will find this crossroads which on the right leads to Lu Bagnu and Castelsardo, on the left towards the Gulf of Asinara (Marina di Sorso and Porto Torres).
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Along the SP 17 that connects Nulvi to Tergu you meet the crossroads to descend towards Sennori (SP 29), with a suggestive and panoramic road with spectacular views over the Gulf of Asinara.
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At this point, at an altitude of 566 m, there is the brow of the Provincial Road 17 which connects Nulvi to Tergu. On the Nulvi side the climb is regular with wide curves, on the Tergu side it looks like a succession of long ascending straight lines. The roadway is good.
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Shortly after the town of Nulvi, heading north, you will find the crossroads: going straight (heading east) you go towards Martis and Laerru. Turning left (northbound) starts the climb that leads towards the coast and the town of Tergu.
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In Badesi there is delicious ice cream from 12 noon, right next to a nice greengrocer, a little further to the right a caseficio where you can buy good ricotta. The road is shaded in the morning and not too steep. In Viddalba you can have a delicious coffee in the bar.
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3 climbs, one after the other, with short descents between each. Overall avg of 4-5%, but the climbs avg 6-8%. Beautiful view down the valley on the first climb, the second and third are a bit more shaded.
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There are 4 dedicated no-traffic road cycling routes detailed in this guide for the Castelsardo area. These routes offer a mix of moderate and difficult options, ensuring a suitable ride for various fitness levels.
The routes around Castelsardo feature a diverse terrain, from scenic coastal stretches with breathtaking views of the Mediterranean to the undulating hills of the Anglona region. You can expect well-paved roads with varying elevation gains, offering both moderate rides and more challenging excursions through rocky landscapes and cork oak forests.
Yes, for experienced cyclists seeking a challenge, the area offers routes with significant elevation gains. An example is the Chiesa Antica – Tre Sorelle Climb loop from Cuzina/Santa Maria Coghinas, which is classified as difficult, covering 39.2 km with over 1200 meters of ascent.
Many routes offer stunning coastal views and panoramic vistas of the Sardinian countryside. You can pass by the iconic Elephant Rock (Rock of the Elephant), a fascinating natural formation. The medieval town of Castelsardo itself, perched on a rocky promontory, provides spectacular views, especially from the Doria Castle.
Absolutely. Castelsardo is rich in history. You can explore the medieval town with its narrow, cobbled streets leading to the Doria Castle. Nearby attractions include the Bell Tower of the Cathedral of Sant'Antonio Abate and the Church of Santa Maria delle Grazie. You might also encounter ancient tombs known as domus de janas, particularly near the Elephant Rock.
The komoot community highly rates the cycling experience in Castelsardo, with an average score of 4.5 stars from 79 ratings. Cyclists often praise the stunning coastal scenery, the quiet roads, and the rewarding climbs that offer panoramic views of the Gulf of Asinara.
Yes, all the routes listed in this guide are circular loops, designed to bring you back to your starting point. This includes routes like the moderate Junction to Sennori – Nulvi–Martis–Tergu Junction loop from Castheddu/Castelsardo, offering convenient exploration of the region.
The best time for road cycling in Castelsardo is generally outside the peak summer holiday season. Spring and autumn offer pleasant temperatures and lighter motorized traffic, making for a more enjoyable and truly 'no-traffic' experience on the roads.
Yes, some routes offer proximity to natural water features. For instance, the region is home to the San Pietro Beach and the Coghinas Lagoon, and you can also find the Cascata Pilchina di li Caaddaggi waterfall, offering picturesque stops along your ride.
Certainly. If you're looking for a moderate ride that isn't excessively long, consider the Roadbike loop from Codaruina/Valledoria. This route covers approximately 25.6 km with a manageable elevation gain, providing a pleasant cycling experience without heavy traffic.
Yes, several routes provide stunning coastal views. The View of the Marina – Isola rossa sunset loop from Codaruina/Valledoria is an excellent choice, offering picturesque vistas of the marina and the beautiful Sardinian coastline, especially around sunset.


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