PROBLEM TO BE SOLVED: To provide a tool for preventing a snake from climbing a tower which has high effects of preventing the snake from climbing the tower.SOLUTION: The tool for preventing a snake from climbing a tower is designed to prevent the snake from climbing up the tower through the base 3 and the pole material 1 in the iron tower 100 including the base 3 and the pole material 1 extending from the base 3. The tool includes: a covering member 10 in which the pole material 1 is provided with a surrounding form in a state free of unevenness on the surface so as to provide a surface state for regulating the snake in climbing the tower and a pair of upper and lower lid members 11 for closing the opening of a gap formed between the covering member 10 and the pole material 1. An opening and closing portion 13 is provided in the covering member.COPYRIGHT: (C)2012,JPO&INPIT【課題】蛇の昇塔防止効果の高い蛇昇塔防止具を提供する。【解決手段】基部3と、基部3から延びる柱材1とを備えた鉄塔100における基部3及び柱材1を介した鉄塔上部への蛇の昇塔を防止する蛇昇塔防止具である。表面に凹凸がない状態で柱材1を包囲状として、蛇の昇塔を規制する表面状態とする被覆部材10と、被覆部材10と柱材1との間に形成される隙間の開口部を塞ぐ上下一対の蓋部材11とを備える。被覆部材に開閉部13を設けた。【選択図】図1