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Description

“Algar do Carvão” is a volcanic pit with a peculiar genesis, including both silicic formations and basaltic products dated of 3,200 and 1,730 years ago, respectively. This 90 m depth pit, presents unique features and environmental importance, especially due to its unique speleothems of amorphous silica.It is in the top ten worldwide volcanic cave in terms of mineral deposits (silica speleothemes).

Geosite

Country

Country

Portugal

Location(s)

Terceira Island (central group)

Details
Acessibilty to Visitation

Acessibilty to Visitation

Yes

Website

Website

Email

Email

Telephone

Telephone

(+351) 295 212 992

Timetable & Prices
Prices

Prices

From 5,00 €

*The tickets are bought at the caves | No reservations (except travel agencies) | Time of visit: 20-30 min

Timetable

Timetable

24 Mar – 31 May

Daily – 2:30pm to 5:15pm

1 Jun – 14 Oct

Daily – 2:00pm to 6:00pm

16 Oct – 22 Mar

Tue, Wed, Fri and Sat – 2:30pm to 5:15pm

*Closed: 1 Dec | 25 Dec | 1 Jan | 5 Mar

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