Mamet hole

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Mamet hole

Mamet hole

Looking into the 206m deep Mamet hole on SE Velebit. Karst of Velebit is full of holes, of which some are among the deepest in the world. Although in terms of depth Mamet doesn't come close to 7x deeper Lukina Jama hole, but in terms of size it is one of the most impressive holes on Velebit. It is hard to put its size into perspective from such photo when there is nothing to compare it to. Click here to see whole story and amazing photos of the most dangerous BASE jump ever, done by Austrian Felix Baumgartner. His falling body and parachute inside the hole give better idea of size. Photo: Aleksandar Gospic
Velebit
on Mar 29, 2005 9:45 am
Image ID: 97705

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climber21

climber21 - Mar 29, 2005 10:53 am - Voted 10/10

That's amazing

So, these are actual vertical caves? How well have they been explored? Are they just cool pits in the ground, or do they also lead to underground labarynth systems? And how deep is the deepest? Have any photos of that one? =-)

Velebit

Velebit - Mar 29, 2005 1:16 pm - Hasn't voted

Re: That's amazing

There is difference between cave and hole. Basically hole or pit is underground space which expands more in depth than horizontally. Caves have length but don't go as deep.



Karst is very complex. There can be system inside but it can be single hole like this one is (Mamet).



Deepest on Velebit massif is Lukina Jama (Luka's Hole) which has 1394m or 4573ft and is currently 13th in the world. But Lukina Jama is most perpendicular hole in the world! Next is Slovacka Jama (Slovakia Hole) which has been explored so far to depth of 1261m or 4137ft. Both can be deeper because they have water siphon at the current bottom. They dived already in Lukina Jama which was deepest underground dive in history but they didn't reach the end of the water channels. Maybe hole goes deeper behind siphon. Recently Velebita hole was found. It is 582m or 1909ft deep, which isn't so 'impressive' when comparing to the deepest ones but it has highest underground vertically in the world! Lower 516m or 1692ft is completely perpendicular 'tube' with smooth sides. For example its opening is barely noticeable but it expands once you enter. Deepest Lukina Jama has much larger opening but still it isn't as impressive as this one because it is much narrower so not much light goes in and you can't see to deep inside.



There are hundreds of objects. Many have been found but many haven’t and there is enough work on Velebit for generations of speleologists. You can read more on the main Velebit page.

climber21

climber21 - Mar 29, 2005 2:54 pm - Voted 10/10

Re: That's amazing

thanks for the info. It sounds very interesting. =-)

oeps

oeps - Mar 4, 2008 4:56 pm - Hasn't voted

if you read this

if so, you where secured by a rope taking this picture Aleksander.
if not, I am not sure if you ever read this.

anyway, having an "occupation" like yours that might be heaven.

so thanks for this and so many fantastic pictures before.

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