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Font del Forat

Small spring cave 25 m long in Sant Llorenç del Munt, with an entrance 1.4 m wide (0.6 at the base) by 4.5 m high.

Mura • Bages 25m 4m

Small spring cave 25 m long in Sant Llorenç del Munt, with an entrance 1.4 m wide (0.6 at the base) by 4.5 m high.

Caratteristiche

Località

Below and on the west slope of the Roques de la Coca.

The shortest route, though not the only one, may be the one that starts from km 15.1 on the road from Terrassa to Talamanca, skirting the Cortins, crossing the Canal del Séc, until reaching the N end of them.

From here you must descend roughly eastwards over bare rock until reaching the torrent de la Coca. We cross the torrent and position ourselves on the right bank. We continue along this side of the torrent in a northerly direction through an area of rock with sparse vegetation until we find ourselves above a cliff. We must follow it to the left until we can descend through a wooded area. Once in the torrent bed, we must look for the cave located at the very foot of the cliff and about 30 metres from the torrent on its right hydrographic side.

Approximate coordinates.

Mappa

Ingressi

Verifica sempre le coordinate e le condizioni di accesso prima di partire.

  1. Forat, Font del

    Quota: 820 m

    41.679586, 2.002407
    UTM 31T (ED 50) 417062 4614887
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Descrizione

Morfologia

To reach the entrance, which is of considerable proportions, 1.4 metres wide (0.6 at the base) by 4.5 high, a small drop must be overcome via a channel cut by water.

After passing a block we find ourselves in the vestibule. A sign in front of us indicates the name of the spring cave. Here the gallery is 4 to 5 metres high and 1.4 metres wide.

Further in, the gallery narrows to just over half a metre. After crossing the spring itself, which is a small pool, the floor rises to overcome more than 1.7 metres of drop.

On our left, and about 2 metres up, we have left a small hole perpendicular to the main gallery.

We are now facing a narrow gallery 2 metres long. On our right the joint becomes impenetrable and down it flows a deposit towards our feet. We follow the narrow gallery, which ends after overcoming an awkward passage with a maximum section of 40 centimetres.

We find ourselves at the top of a narrow little shaft 1.8 metres deep. Once upright, we continue without descending in level until the little shaft widens and we can descend more easily.

The floor is full of tiny gours and the ceiling is flat, following the bedding. If we look back we will see that the gallery ends beneath the narrow passage with a floor full of pebbles through which the small flow infiltrates. If we follow our route along the lower level (where the water comes from), the gallery soon narrows and the ceiling lowers until it reaches the end, where it communicates with the upper level through an impenetrable passage.

On the other hand, along the upper level we leave on the right a hole through which a small deposit flows down, making our progress difficult, and we will reach the end of the gallery when we see the connection with the lower level. Above us we will see an impenetrable conduit adorned with a small deposit.

Idrologia

At our feet flows a meagre stream of water towards the outside.

It seems to be an old spring that has gradually reduced its flow until it has currently become a small spring (Anglés, 1993).

Storia

It is already mentioned in the Guia Monogràfica de Sant Llorenç del Munt published by the Centre Excursionista de Terrassa in 1935.

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Bibliografia

  1. Anglés, Marc (1993).- “Font del Forat”. Arxiu del Centre Excursionista de Terrassa (76-77-78-79): 231-233. Terrassa
  2. GES-CMB (1974).- Catálogo espeleológico de la provincia de Barcelona. 198 pp. Club Montañés Barcelonés /Diputación Provincial de Barcelona.

Fonte: Espeleoindex (espeleoindex.com), modificato. CC BY-NC 4.0, https://creativecommons.org/licenses/by-nc/4.0/