Minor update. According to Jim Coke (QRSS), another connection has pushed the length of Sac Actun to over 308 km. The longest cave in the world might well end up in Quintana Roo, although if (when) Fisher Ridge connects to Mammoth, that'll add another 200 km to the latter.

Mark

At 07:21 PM 12/6/2012, George Veni wrote:

In case you haven't heard or can't read the Spanish below, Sistema Sac Actun and Sistema Dos Ojos, two massive underwater caves in Quintana Roo, Mexico, have been connected for a combined length of 303 km, making it the second longest cave in the world. Not too far away is 240 km long Sistema Ox Bel Ha. When (not if), that connection is made, the total length will be at least within 85 km of Mammoth Cave's current length of 628 km. Considering how many other caves are in the area and the rate they are being surveyed, don't be surprised if in a short time the longest cave in the world is in Mexico and underwater! Congratulations to all involved for a fantastic accomplishment.

As an interesting historical note, when Mammoth became the longest cave in 1972 through its connection to the Flint Ridge Cave System, its total length was only 232 km.

George

***************************

George Veni, Ph.D.
Executive Director
National Cave and Karst Research Institute
400-1 Cascades Avenue
Carlsbad, New Mexico 88220-6215Â  USA
Office: 575-887-5517
Mobile: 210-863-5919
Fax: 575-887-5523
gv...@nckri.org
www.nckri.org

From: AIDA <qua...@yahoo.com>
Sent: Wednesday, December 5, 2012 9:23 PM
Subject: [tlamaqui] La segunda cueva mas larga del mundo, en Quintana Roo, Mexico

Hola amantes de cuevas,
éste es un anuncio corto pero conciso, pequeño pero rinconero:
El articulo acerca la conexión del Sistema Dos Ojos con el Sistema Sac Actun acaba de aparecer recientemente en el noticiario de la NSS. Oficialmente es la segunda cueva mas larga en el mundo con una longitud de 303 km, localizado en Quintana Roo, Mexico. Pronto será enlistado como tal en la página oficial de QRSS. Cabe mencionar que el joven quintanarooense Jacinto Vela, fue el primero en escurrirse por el pequeño acceso que hizo la conexión posible. Mando mapa y mas info como archivo adjunto.
Saludos! Aida F.

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