---
title: "Neptune's Grotto, Alghero — GetMap"
description: "A sea cave hides a lake beneath the cliffs. A saltwater lake fills part of this sea cave beneath Capo Caccia. Stalactites and stalagmites line its…"
source: https://getmap.travel/quests/ChIJKVGLmrvp3BIRrMJtuLfOucI
---

# Neptune's Grotto

A sea cave hides a lake beneath the cliffs

Nature · 🇮🇹 Alghero · one place, one stop

![Neptune's Grotto, Alghero](https://gpuvmfylzaflwxeawisb.supabase.co/storage/v1/render/image/public/assets/Quests/Nature/ChIJKVGLmrvp3BIRrMJtuLfOucI.png?width=640&quality=70&resize=contain) +35 pts
One place to visit
[Alghero](https://www.google.com/maps/search/?api=1&query=40.5649903%2C8.1602578&query_place_id=ChIJKVGLmrvp3BIRrMJtuLfOucI)
photo check-in within 200 m

A saltwater lake fills part of this sea cave beneath Capo Caccia. Stalactites and stalagmites line its chambers, reached from the sea or by a stairway cut into the cliff. The entrance opens at the foot of the limestone cliffs.

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