# Gruta do Natal

- **Country:** Portugal
- **Coordinates:** 38.791111, -27.299167
- **Access:** Tours available in season
- **Length:** 697 m
- **Geology:** Lava tube, Basalt
- **Language:** Portuguese
- **Location:** Terceira Island (Azores), Portugal
- **Discovery:** 1838
- **Photo Caption:** A passage within the Gruta do Natal system
- **Entrance Count:** 1

Gruta do Natal (Christmas Cave), also known as Galeria Negra or Gruta do Cavalo, is a cave system in municipality of Praia da Vitória, on the island of Terceira in the Portuguese archipelago of the Azores.

![Photo of Gruta do Natal](https://upload.wikimedia.org/wikipedia/commons/b/b2/Gruta_natal2.jpg)

**Source:** https://en.wikipedia.org/wiki/Gruta_do_Natal (Wikipedia, CC BY-SA)