The Southern Trail covers a large part of the island, going through the entire southern half of Ons Island. It sets out from the information booth in As Rodas, climbs the street in O Curro and—upon reaching the crossroads—descends along the track that leads to Area dos Cans, the most popular beach on the island. At low tide, you can get to Laxe dos Cregos, a mediaeval anthropomorphic sarcophagus shrouded in legend. The path continues on—parallel to the coast—to Canexol, where you’ll go between the rectory house and the beach (you’ll find the unexcavated castro of Castelo dos Mouros a little bit further up). It runs on to Pereiró (whose beach disappears at high tide) and climbs up to the Xunta de Galicia camp premises. From there, it goes left towards the Fedorentos Lookout Point, a vantage point from where you get a sweeping panoramic view of Onza Island, the Cíes Island, Costa da Vela and Ría de Aldán.
The next stop is Buraco do Inferno, a fascinating geological formation that was gradually hewn by the sea over time. In its vicinity, there’s a bird observatory from where you’ll see the nesting site of the common shag. The path skirts the steep cliffs on the western coast until getting to Enseada de Caniveliñas, from where it crosses the island to return to O Curro.
- Starting point: at the information booth
- Distance: 6.2 km
- Elevation change: 86 m
- Estimated duration: 2 hours and 30 minutes
- Difficulty: moderate
- Format: circular
- Places of interest: O Curro, Area dos Cans (tomb of A Laxe dos Cregos), Canexol (the castro of Castelo dos Mouros),
- Fedorentos Lookout Point, Buraco do Inferno and Enseada de Caniveliñas
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