Caves and potholes in the Serres marginals - Oest geological unit

Limestone ranges on the western edge of the Lleida Prepirineu, above the Noguera, with scattered cavities.

Part of the Prepirineu major unit, dominated by calcàries (97 %). Its caves are spread across Noguera.

Catalonia has 59 catalogued cavities in the Serres marginals - Oest geological unit, including 16 potholes and 43 caves. The longest is Cova Negra de Tragó (1,032m) and the deepest is Forat del Balconet (161m).

59caves

5.0kmtotal length

161mmaximum depth

Name↕	Length↓	Depth↕	Municipality↕	Region↕
Abrics de Geguins	12 meters	2 meters	Avellanes i Santa Linya, Les	Noguera
Avenc Berrocal	11 meters	8 meters	Àger	Noguera
Avenc de Fontdepou	88 meters	24.50 meters	Àger	Noguera
Avenc de la Penya dels Ulls	30 meters	24 meters	Os de Balaguer	Noguera
Avenc de la Plana	102 meters	27 meters	Os de Balaguer	Noguera
Avenc del Tabac	32 meters	25 meters	Camarasa	Noguera
Avenc de Montalegre	45 meters	32 meters	Avellanes i Santa Linya, Les	Noguera
Avenc de Sant Miquel	7 meters	5 meters	Avellanes i Santa Linya, Les	Noguera
Avenc de Sant Urbà	129 meters	57 meters	Avellanes i Santa Linya, Les	Noguera
Avenc Nº1 del Barranc de la Conqueta	17 meters	15 meters	Avellanes i Santa Linya, Les	Noguera
Avenc Nº2 del Barranc de la Conqueta	26 meters	18 meters	Avellanes i Santa Linya, Les	Noguera
Balma del Pantà	5 meters	0 meters	Camarasa	Noguera
Cova Alta	12 meters	1 meters	Avellanes i Santa Linya, Les	Noguera
Cova-avenc del Pas del Sastre	46 meters	26 meters	Avellanes i Santa Linya, Les	Noguera
Cova de Geguins	55 meters	17 meters	Avellanes i Santa Linya, Les	Noguera
Cova de Joan d'os	114 meters	29 meters	Avellanes i Santa Linya, Les	Noguera
Cova de l'àguila	30 meters	9 meters	Os de Balaguer	Noguera
Cova de l'Aigua	46 meters	22 meters	Camarasa	Noguera
Cova de la Monja	24 meters	1 meters	Avellanes i Santa Linya, Les	Noguera
Cova de la Pala Alta	112 meters	5 meters	Camarasa	Noguera
Cova de l'Arcada	12 meters	2 meters	Camarasa	Noguera
Cova del Barranc Fondo	6 meters	2 meters	Àger	Noguera
Cova del Biot	23 meters	13 meters	Àger	Noguera
Cova de les Avellanes	21 meters	0 meters	Avellanes i Santa Linya, Les	Noguera
Cova de les Caixes	239 meters	49 meters	Avellanes i Santa Linya, Les	Noguera
Cova de l'Escaleta	265 meters	15 meters	Camarasa	Noguera
Cova de l'Estaca	17 meters	0 meters	Camarasa	Noguera
Cova del Grau	16 meters	3 meters	Avellanes i Santa Linya, Les	Noguera
Cova de l'Il.luminat	25 meters	7 meters	Camarasa	Noguera
Cova del Lladre	113 meters	4 meters	Avellanes i Santa Linya, Les	Noguera
Cova del Llop	140 meters	2 meters	Avellanes i Santa Linya, Les	Noguera
Cova del Magrí	56 meters	5 meters	Os de Balaguer	Noguera
Cova del Mandril	15 meters	1 meters	Avellanes i Santa Linya, Les	Noguera
Cova del Sant Cap	9 meters	0 meters	Avellanes i Santa Linya, Les	Noguera
Cova dels Vilars	8 meters	0 meters	Os de Balaguer	Noguera
Cova del Tabac	198 meters	21 meters	Camarasa	Noguera
Cova de Millà	40 meters	20 meters	Àger	Noguera
Cova d'en Cristòfol	86 meters	0 meters	Os de Balaguer	Noguera
Cova de Sant Oïsme	20 meters	5 meters	Camarasa	Noguera
Cova de Sant Urbà	49 meters	15 meters	Avellanes i Santa Linya, Les	Noguera
Cova Fonda de Tragó	277 meters	18 meters	Os de Balaguer	Noguera
Cova Gran	29 meters	1 meters	Avellanes i Santa Linya, Les	Noguera
Cova Gran	27 meters	14 meters	Camarasa	Noguera
Cova Negra de Tragó	1,032 meters	78 meters	Os de Balaguer	Noguera
Cova Patxarro	80 meters	40 meters	Avellanes i Santa Linya, Les	Noguera
Cova Petita del Tabac	12 meters	0 meters	Camarasa	Noguera
Coves del Mu	37 meters	0 meters	Alòs de Balaguer	Noguera
Coveta del Barranc de les Caixes	10 meters	4 meters	Avellanes i Santa Linya, Les	Noguera
Finestra dels Pelats	30 meters	7 meters	Camarasa	Noguera
Forat de la Conqueta	8 meters	0 meters	Avellanes i Santa Linya, Les	Noguera
Forat del Balconet	631 meters	161 meters	Avellanes i Santa Linya, Les	Noguera
Forat del Caco	18 meters	11 meters	Avellanes i Santa Linya, Les	Noguera
Forat del Celler d'en Planes	50 meters	25 meters	Castelló de Farfanya	Noguera
Forat del Túnel	32 meters	8 meters	Camarasa	Noguera
Forat de Sant Tomàs	97 meters	34 meters	Castelló de Farfanya	Noguera
Forat d'Os	110 meters	14 meters	Os de Balaguer	Noguera
Forat Florés	64 meters	23 meters	Avellanes i Santa Linya, Les	Noguera
Forat la Neu	85 meters	57 meters	Os de Balaguer	Noguera
Lo Foric	115 meters	21 meters	Os de Balaguer	Noguera