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The Plughole Adventure Tour runs once daily, it is an intro to Adventure Caving. Instead of a typical guided tour where you walk along lit pathways, an Adventure Tour is a challenge, requiring climbing, crawling, and squeezing through tight holes. Overalls, helmet, and a headlight are provided, for those tours through 'wild', undeveloped caves. The Plughole begins with a 10-metre abseil (rappel) and takes about 2 hours. There are other Adventure Tours that are longer, more demanding (physically and mentally) and run less frequently.