Graller del Boixeguer

It has two entrances, separated by about 40 metres of distance and a height difference of 12 metres; both meet inside the large chamber. The upper entrance is a cylindrical shaft that drops into the upper part of the chamber, forming a 68-metre shaft that is totally aerial from -10 metres. The lower entrance, of respectable dimensions, begins with a steep ramp that opens like a window in the roof of the chamber, giving rise to a 45-metre drop that is almost entirely aerial. The large chamber has maximum dimensions of 85x45 metres and a height of 60 metres. The floor is covered with large blocks, with a dominant slope towards the E; on this side, 30 metres of height difference can be descended through the labyrinthine passages formed between the wall and the blocks. From the SW end of the chamber, a large descending gallery leads to a height difference of 18 metres, easily overcome with a few metres of rope, which places you on a ledge from which you can scramble down to the base; this slopes down to the lowest part, where a dry lake is found. Next, climb up among blocks to a maximum; if instead of following the normal gallery you climb back up over the blocks, you reach a parallel gallery, hanging above the main one, on the W side; this gallery stands out for its exuberant concretions on the walls and floor, with numerous plunge pools. This gallery is 80 metres long and up to 20 metres wide, with a maximum height difference of 46 metres, and is called the sala de les colades. Continuing again along the main gallery, if you start the descent on the right you will find a long and unstable ramp of blocks; if you do so on the left side you will find some steps between blocks that likewise place you on a ramp of blocks but a much more stable one. At the end of this ramp is the second dry lake, much more modest in size than the previous one. A passage of dimensions more reduced than the rest places you in a new chamber that slopes down to the final lake. Halfway down the slope, in the roof of the gallery, there is an ascending shaft of +39 metres (L'Entresolat), which ends in a narrow joint. The lake has approximate dimensions of 16x14 metres and a fluctuating depth of about 6 metres, although it can become dry in some extreme drought circumstances. The total height difference to the bottom of the lake is -148 metres. GALERIA INMA: Accessed from the vertical of the -68-metre shaft (upper entrance). It is a gallery with 84 metres of passage where a spectacular lithogenic process is found, with large columns and a great deal of formation everywhere. VIA DANIELO A1 – SALA SANTAFE It is located in the large chamber or gallery before the lake chamber, on its right-hand side (West wall), where a 17-metre climb places you in a chamber of about 25 square metres; above this there is a conduit about 10 metres long that ends up becoming impracticable.

The parallel gallery stands out for its exuberant concretions on the walls and floor, with numerous plunge pools. The Galeria Inma presents a spectacular lithogenic process, with large columns and a great deal of formation everywhere.

There is a dry lake in the lowest part of the descending gallery. At the end of a ramp of blocks is the second dry lake, much more modest in size than the previous one. The final lake has approximate dimensions of 16x14 metres and a fluctuating depth of about 6 metres, although it can become dry in some extreme drought circumstances.

The lower entrance begins with a steep ramp that gives rise to a 45-metre drop that is almost entirely aerial. From the SW end of the chamber, a descending gallery leads to a height difference of 18 metres, overcome with a few metres of rope, which places you on a ledge from which you can scramble down to the base. If you climb back up over the blocks you reach a parallel gallery. Continuing along the main gallery, the descent on the right is a long and unstable ramp of blocks; on the left, steps between blocks lead to a more stable ramp. A narrow passage places you in a new sloping chamber down to the final lake. Halfway down the slope, in the roof, there is an ascending shaft of +39 metres (L'Entresolat). The Galeria Inma is accessed from the vertical of the -68-metre shaft (upper entrance). The Via Danielo A1 – Sala Santafe requires a 17-metre climb.