Caves and potholes in the Obac, Serra de l' geological unit

A conglomerate sector neighbouring Sant Llorenç del Munt, between the Bages and Vallès comarques, rich in cavities of the same formation.

Part of the Serralada Prelitoral major unit, dominated by conglomerats (93 %). Its caves are spread across Bages, Vallès Occidental.

Catalonia has 141 catalogued cavities in the Obac, Serra de l' geological unit, including 60 potholes and 81 caves. The longest is Cova-avenc del Picarol (340m) and the deepest is Avenc de l'Espluga (123m).

141caves

4.5kmtotal length

123mmaximum depth

Name↕	Length↓	Depth↕	Municipality↕	Region↕
Arcada de la Falconera	10 meters	0 meters	Mura	Bages
Avenc Casas-martínez	40 meters	19 meters	Rellinars	Vallès Occidental
Avenc d'Alzina Teresa	14 meters	7 meters	Vacarisses	Vallès Occidental
Avenc de Castellsapera	128 meters	84 meters	Terrassa	Vallès Occidental
Avenc de Coll de Tanca	45 meters	30 meters	Mura	Bages
Avenc de la Barbotera	118 meters	18 meters	Rellinars	Vallès Occidental
Avenc de la Brega	60 meters	52 meters	Mura	Bages
Avenc de la Canal de Mura	100 meters	36 meters	Vacarisses	Vallès Occidental
Avenc de la Coma d'en Vila	40 meters	18 meters	Mura	Bages
Avenc de la Falconera	95 meters	28 meters	Mura	Bages
Avenc de la Font del Conill	7 meters	5 meters	Rellinars	Vallès Occidental
Avenc de la Font Freda	15 meters	10 meters	Mura	Bages
Avenc de la Pinassa	190 meters	58 meters	Matadepera	Vallès Occidental
Avenc de la Pola	13 meters	9 meters	Mura	Bages
Avenc de la Punta de les Saleres	39 meters	13 meters	Mura	Bages
Avenc de la Quintana de Sant Jaume	17 meters	8 meters	Mura	Bages
Avenc de la Serra de la Daina	10 meters	7 meters	Terrassa	Vallès Occidental
Avenc de la Serra del Gall	37 meters	25 meters	Terrassa	Vallès Occidental
Avenc de la Serra Llarga	15 meters	10 meters	Terrassa	Vallès Occidental
Avenc de l'Aureli	12 meters	5 meters	Mura	Bages
Avenc de la Vinya Gran	19 meters	8 meters	Mura	Bages
Avenc del Camí de Puigdoure	17 meters	5 meters	Mura	Bages
Avenc del Camí Ral	10 meters	7 meters	Rellinars	Vallès Occidental
Avenc del Coll de Tres Creus	15 meters	6 meters	Mura	Bages
Avenc del Cuento	6 meters	4 meters	Mura	Bages
Avenc de l'Endaló	36 meters	21 meters	Rellinars	Vallès Occidental
Avenc de l'Era dels Enrics	49 meters	13 meters	Mura	Bages
Avenc de les Cantarelles	45 meters	37 meters	Terrassa	Vallès Occidental
Avenc de les Ermínies	40 meters	18 meters	Mura	Bages
Avenc de les Piques	66 meters	14 meters	Mura	Bages
Avenc de l'Espluga	320 meters	123 meters	Mura	Bages
Avenc de les Roquisses	20 meters	7 meters	Rellinars	Vallès Occidental
Avenc de les Vinyes Velles	12 meters	8 meters	Mura	Bages
Avenc del Llest	265 meters	56 meters	Mura	Bages
Avenc del Mas de l'espluga	18 meters	5 meters	Mura	Bages
Avenc del Morral del Llop	10 meters	5 meters	Mura	Bages
Avenc de l'Obaga de Sant Lleïr	12 meters	6 meters	Mura	Bages
Avenc del Pi Pla	10 meters	6 meters	Mura	Bages
Avenc del Pont de Can Prat	20 meters	15 meters	Matadepera	Vallès Occidental
Avenc del Queixal del Porc	16 meters	6 meters	Vacarisses	Vallès Occidental
Avenc dels Codolosos	27 meters	15 meters	Mura	Bages
Avenc dels Pins Cargolats	12 meters	5 meters	Mura	Bages
Avenc dels Plans	27 meters	15 meters	Rellinars	Vallès Occidental
Avenc del Tòfol	5 meters	3 meters	Terrassa	Vallès Occidental
Avenc del Torrent de la Carlina	7 meters	4 meters	Terrassa	Vallès Occidental
Avenc del Torrent de l'espluga	15 meters	7 meters	Mura	Bages
Avenc del Torrent Maleït	8 meters	6 meters	Terrassa	Vallès Occidental
Avenc del Tortosí	40 meters	18 meters	Mura	Bages
Avenc del Tronc	5 meters	3 meters	Mura	Bages
Avenc del Turó de Roques Blanques	20 meters	5 meters	Terrassa	Vallès Occidental
Avenc de l'ú	9 meters	6 meters	Mura	Bages
Avenc de Mata-rodona	12 meters	7 meters	Mura	Bages
Avenc d'en Sendo	100 meters	27 meters	Matadepera	Vallès Occidental
Avenc de Reixac	8 meters	5 meters	Mura	Bages
Avenc de Rosseguers	19 meters	12 meters	Vacarisses	Vallès Occidental
Avenc de Sant Jaume de la Mata	104 meters	52 meters	Mura	Bages
Avenc Local	30 meters	14 meters	Mura	Bages
Avenc Sense Nom	11 meters	7 meters	Mura	Bages
Balma de la Blanquera	6 meters	0 meters	Mura	Bages
Balma de la Falconera	7 meters	0 meters	Mura	Bages
Balma de la Font de la Guillotera	13 meters	0 meters	Mura	Bages
Balma de la Font del Lladre	10 meters	0 meters	Rellinars	Vallès Occidental
Balma de la Serrallonga	9 meters	0 meters	Mura	Bages
Balma de l'Endaló	7 meters	0 meters	Rellinars	Vallès Occidental
Balma de les Baiones	4 meters	0 meters	Pont de Vilomara i Rocafort, El	Bages
Balma de les Panses	8 meters	0 meters	Talamanca	Bages
Balma de l'Espluga	7 meters	0 meters	Mura	Bages
Balma del Gat Mesquer	7 meters	0 meters	Mura	Bages
Balma del Puig de la Balma	6 meters	0 meters	Mura	Bages
Balma del Quarto de Reixa	7 meters	0 meters	Mura	Bages
Balma dels Caus	6 meters	0 meters	Mura	Bages
Balma dels Debanadors	10 meters	0 meters	Mura	Bages
Balma dels Graons de Mura	4 meters	0 meters	Mura	Bages
Balma del Torrent de l'esbarzer	6 meters	0 meters	Rellinars	Vallès Occidental
Balma Gran de Sanana	11 meters	0 meters	Vacarisses	Vallès Occidental
Balma Guillotera	10 meters	0 meters	Mura	Bages
Balmes de Puig Andreu	7 meters	0 meters	Mura	Bages
Balmes Roges	10 meters	2 meters	Pont de Vilomara i Rocafort, El	Bages
Bauma del Sastricó	7 meters	0 meters	Mura	Bages
Cau de la Torrota	7 meters	0 meters	Terrassa	Vallès Occidental
Cau del Llop	10 meters	1 meters	Matadepera	Vallès Occidental
Cau d'en Banyeta	40 meters	7 meters	Mura	Bages
Caus del Guitard	83 meters	23 meters	Terrassa	Vallès Occidental
Cort Fosca de Matarrodona	125 meters	6 meters	Mura	Bages
Cort Penjada de Mata-rodona	15 meters	6 meters	Mura	Bages
Cova-avenc del Picarol	340 meters	16 meters	Mura	Bages
Cova Bonica	5 meters	0 meters	Mura	Bages
Cova de Can Còdol	22 meters	12 meters	Vacarisses	Vallès Occidental
Cova de Can Cotis	9 meters	0 meters	Rellinars	Vallès Occidental
Cova de la Canal del Solitari	29 meters	0 meters	Vacarisses	Vallès Occidental
Cova de la Ceràmica	15 meters	2 meters	Mura	Bages
Cova de la Rebolleda	12 meters	2 meters	Mura	Bages
Cova del Bosc de les Parets	8 meters	0 meters	Matadepera	Vallès Occidental
Cova del Centenari	7 meters	2 meters	Mura	Bages
Cova del Duc	10 meters	0 meters	Mura	Bages
Cova de l'Era dels Enrics	27 meters	2 meters	Mura	Bages
Cova de les Mercès	8 meters	2 meters	Vacarisses	Vallès Occidental
Cova de l'Esquirol	35 meters	8 meters	Mura	Bages
Cova del Frontal	41 meters	4 meters	Mura	Bages
Cova del Jandet	12 meters	0 meters	Vacarisses	Vallès Occidental
Cova del Joan Gran	4 meters	0 meters	Mura	Bages
Cova del Muronell	10 meters	0 meters	Mura	Bages
Cova del Quarto de Reixa	5 meters	0 meters	Mura	Bages
Cova del Racó Gran de Matarrodona	10 meters	0 meters	Mura	Bages
Cova del Reixac	10 meters	0 meters	Mura	Bages
Cova dels Debanadors	12 meters	0 meters	Mura	Bages
Cova dels Gours	37 meters	0 meters	Mura	Bages
Cova dels Graons de Mura	19 meters	0 meters	Mura	Bages
Cova dels Ossos	21 meters	5 meters	Mura	Bages
Cova dels Talps	73 meters	2 meters	Mura	Bages
Cova del Turó del Mal Pas de Puigdoure	67 meters	6 meters	Mura	Bages
Cova de l'ú	10 meters	2 meters	Mura	Bages
Cova d'en Joan Petit	25 meters	0 meters	Mura	Bages
Cova d'en Paca	23 meters	0 meters	Mura	Bages
Cova Estrella	18 meters	0 meters	Mura	Bages
Cova Gepeg	16 meters	2 meters	Mura	Bages
Cova Gran de la Font Freda	44 meters	14 meters	Mura	Bages
Cova Inesperada	8 meters	0 meters	Mura	Bages
Cova Morta	22 meters	0 meters	Mura	Bages
Cova Petita de la Falconera	5 meters	0 meters	Mura	Bages
Cova Regal-marcet	34 meters	0 meters	Mura	Bages
Coves del Galzeran	10 meters	0 meters	Mura	Bages
Coves de Mura	184 meters	8 meters	Mura	Bages
el Foradot	12 meters	0 meters	Mura	Bages
Escletxa del Paller de Tot l'any	20 meters	7 meters	Vacarisses	Vallès Occidental
Font del Càntir	18 meters	0 meters	Rellinars	Vallès Occidental
Foradada del Pujol de la Mata	11 meters	0 meters	Mura	Bages
Foradades de les Pedritxes	80 meters	0 meters	Matadepera	Vallès Occidental
Forat de Cantacorbs	5 meters	0 meters	Mura	Bages
Forat del Cingle	12 meters	5 meters	Mura	Bages
Forat dels Despistats	25 meters	5 meters	Vacarisses	Vallès Occidental
Forat del Serrat dels Ginebrers	12 meters	3 meters	Vacarisses	Vallès Occidental
Forat del Sot de la Teula	3 meters	0 meters	Mura	Bages
Forat del Vent	35 meters	5 meters	Mura	Bages
la Barbotera	6 meters	0 meters	Rellinars	Vallès Occidental
la Foranca	4 meters	0 meters	Castellbell i el Vilar	Bages
la Pedregosa	16 meters	9 meters	Rellinars	Vallès Occidental
la Porquerissa	10 meters	0 meters	Mura	Bages
la Saiola	63 meters	22 meters	Vacarisses	Vallès Occidental
les Foradades de la Falconera	26 meters	0 meters	Mura	Bages
l'Hospital de Sang de Mata-rodona	20 meters	0 meters	Mura	Bages