Where nekomata would devour humans, nekomata that shapeshift into humans and deceive people, like Mount Nekomadake, the legends sometimes are named after the name of the associated mountain. Regarding Nekomatayama and altogether disregarding folklore, there are in fact large cats that attack humans.
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Nekomata - Wikipedia
Nekomata (original form: 猫また, later forms: 猫又, 猫股, 猫胯) are a kind of cat yōkai described in Chinese and then Japanese folklore, classical kaidan,
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