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Photograph of the volcano formation in Witches II Cave

Marilyn - A Rigging Guide

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This series of articles is intended for the guidance of experienced cavers, who may not be familiar with the details of the best routes through the more complex systems in the Yorkshire Dales. To echo the sentiments in Northern Caves, it "is intended as guidance for the wise, not the obedience of fools"

Marilyn rigging  guide

Entrance Pitches

The entrance pitch is covered with a grill, which needs to be opened and secured by the pin at the back. This allows a Y-hang from scaffold poles to protect a single belay from the specially designed hooks beneath the gate.

The second pitch starts with a P-bolt anchor, and slithers down to a tight section at the top of which is a another P-bolt.

The third pitch is a continuation of the second and has a P-bolt followed by another P-bolt from a lower ledge.

One 40 m rope suffices for the entrance pitches.

Niagara Pitch

This starts with a P-bolt on the left hand wall a couple of metres back from the pitch, followed by another near the lip of the pitch. The pitch is rigged with an off-centred Y-hang from the roof on the left-hand side and from the wall on the right. The rope should be kept to the left to avoid rub following the placement of the lower deviation. Two P-bolts may be found further down which may be used either for a Y-hang or a short deviation.

This pitch is dangerously loose in the top section.

Tackle Required

Ropes: 40 m and 35 m. Maillons: 9. Deviations slings: 1