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Trou MANTO-St-Etienne  - Ben-Ahin (No. 16)


Province: LIEGEThe pitch in Trou Manto (picture: WOF)
Locality: Ben Ahin (Huy)
Coordinates: 208,69/133,39/140m
Map: 48/1-2


This cave has been known for a very long time, the first descriptions go back to 1833.  I have no knowledge of who has made the connection between Trou Manto and St. Etienne.


The cave is situated in the Vallon de la SoLi├Ęge.  This valley is located at your right, when you drive from Namur to Huy.  500m after the tiny village of Gives-Huy, you have to turn right at a pub called "l'Elyss?". Continue for +/- 300 metres.  The road splits up, keep right, a bit further you can park the car (there is just enough room for 2 cars!).  A bit further, in the prairie, you will see a barrier that you must pass.   You must follow the footpath into the valley, and after some distance (1 km?),  you meet a information sign about cave protection (watch out: there is a cave entrance just opposite of the sign: this is NOT the Trou Manto!).  Go down here, into the valley, cross  the river and climb up again in order to find the cave-entrance which is big and visible from far.

Grotte St. Etienne (picture by WOF)Length: 626m,  Depth:  48m

The Manto cave is a fossil cave, once very decorated but unfortunately there is not a lot left of its beauty.  Finding the way is easy.  In the first big room, a 10 metre pitch gives access to a second room.  Here you can make an climb up to a rather decorated room (a rope is strongly recommended!)

You can also traverse above the 10 m pitch (use the same rope) and visit another nice room.

The cave connects with another one, St. Etienne.  This involves a lot of crawling and some squeezes.


A 20 metre rope for the pitch (it can also be rigged from a higher place, which makes it a nice free drop) .

A 30 m rope for the climb to the decorated upper room and the rappel back down.


Pleasant cave.

Closed with a UBS-door, also closed during winter to protect the bats. 

SURVEY: Click here to see the survey

Contacteer/contact us:  SC Avalon vzw
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