6 - Απολλωνία - Παναγία Τόσο Νερό - Απολλωνία

Sifnos Insiders - This circular route is the longest of Sifnos, taking hikers from Apollonia to all of the central mainland sites of the island.

A 14.9 km full-day trail that rewards walkers with a proper day out. Budget roughly 3 hours and 18 minutes at a steady pace.

This is a circular route that brings you back to your exact starting point — ideal for a self-contained day out without having to organise return transport. Follow the 6 waymarkers throughout to stay on the official trail line.

As a Local Walking Network (LWN) route, this trail has a strong community character. It serves both regular local walkers and visitors discovering the area for the first time.