Pont Naturel, Natural arch in Grand Port District, Mauritius

Pont Naturel is a natural arch of dark grey, blocky volcanic rock spanning a gap between two rocky masses on the coast of Mauritius. Its flattened span rests on a rounded outcrop at the left and merges into a broad rock shelf at the right. Beneath the arch, an oval opening frames churning blue water.

The formation developed over thousands of years through the constant action of the ocean on volcanic rock. Fishermen in the region used the natural structure as a navigation landmark from early maritime times onward.

The name Pont Naturel, French for "natural bridge", is used by Mauritians for this basalt span in Grand Port District, about 40 km south of Port Louis. It sits on the island's southern coast near Plaine Magnien, and the flat-topped rock shelf beside the opening is where people stand to watch the swell push through.

Access to the formation is free and available daily, with morning hours providing the best conditions for photos and observation. Visitors should be prepared for uneven ground and take safety seriously around the rocks.

During strong southern winds, waves crash through the arch and create water jets that spray several meters above the formation. This spectacular natural display occurs only under specific weather conditions and makes visits during heavy storms memorable.