Foreign Grottos of the National Speleological Society

Foreign grottos of the NSS generally conduct their activities outside the 50 US states. They may be located in territories of the US or in foreign countries. Often, these groups will host international exploration programs in their specific area. To find a grotto inside the US, see our grotto look-up page.

NSS Foreign Grottos


Anthros Costa Rica Grotto Costa Rica    

Mailing address:

Anthros Costa Rica Grotto
PO Box 381-2070
Sabanilla,  381-2070

Contact:

Gustavo Quesada
gquesada@anthros.org
Phone: 506-8837-1885

Contact:

Raul Guevara
raguevara@batalla.co.cr
Phone: 506-2224-4824

Online:

www.anthros.org

Meetings:

1st Thursday. 7:00 p.m. Members house


Balincaguin Conservancy Grotto Philippines    

Mailing address:

Balincaguin Conservancy Grotto
Rizal Street, Poblacion
Mabini, Pangasinan,  2409

Contact:

Rawen Balmaña
rawen@balincaguinconservancy.org
Phone: +63-919-603-7354

Contact:

Guillermo "Jerry" Rendon
pub@balincaguinconservancy.org
Phone: +63-75-551-6189

Online:

www.balincaguinconservancy.org

Meetings:

as scheduled by Board of Trustees


PAAMUL - Gruta de United States    

Mailing address:

PAAMUL - Gruta de
1416 W. Conkling Park Dr.
Worley,,  ID 83876

Contact:

E. Gil Harmon
harmonpc1@aol.com
Phone: 208-661-5584

Contact:

Duke Doering
kdoering1@comcast.net
Phone: 916-988-5293

Meetings:

Cave exploration planing once per week - Nov. to April