Sanctuary of the Source-Flerio
Sanctuary of the Source-Flerio: A Sacred Spring Through Time
Explore Apano Kastro, Naxos: A Venetian fortress with stunning views and ancient ruins, offering a glimpse into the island's rich history.
Apano Kastro, or Upper Castle, is a historic Venetian fortress perched on a hilltop near Tsikalario in Naxos. Offering panoramic views, the castle's ruins date back to antiquity, with significant reconstruction during the 13th and 14th centuries by Venetian rulers. Explore the remnants of walls, churches, and cisterns while soaking in the stunning landscape.
Opening times, essentials, and a few local tips gathered into one calmer, easier-to-scan planning section.
Walking
The final approach to Apano Kastro is primarily on foot. From the village of Ano Potamia, follow the signs towards Chalki and Apano Kastro. The initial paved road turns into a dirt and gravel path. Continue along the path, following the stone wall on your left. After a break in the stone wall, a faint trail climbs uphill to the castle ruins. The hike from Ano Potamia to Apano Kastro takes approximately 1-1.5 hours.
Public Transport
To reach the trailhead for Apano Kastro using public transport, take the bus from Naxos Town (Chora) to Halki. From Halki, follow the road west towards Tsikalario. Then follow the hiking trail to Apano Kastro. Bus tickets cost approximately €2.00. Verify the latest bus schedules at the main bus station in Naxos Town, as they may change seasonally.
Taxi
To reach the Apano Kastro trailhead by taxi, take a taxi from Naxos Town (Chora) to Ano Potamia. From there, follow the walking directions to the site. A taxi from Naxos Town to Ano Potamia will cost approximately €30. Taxis in Naxos use taximeters with a base fare of €3.50 and a price of €1.00 per kilometer. During peak season, taxis can be challenging to find.
Use Apano Kastro as your starting point for nearby food, family ideas, nightlife, and more local discoveries.
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