Newbury Town Council spoke of their “sadness and disappointment” after several of the structures on holes were dismantled, with some found facing upside-down and equipment badly damaged.
At least four or the plots on the 18-hole course have been vandalised at the course in Wharf Road.
Several of the ladder stands on one of the miniature structures appear caved in, while sand has been displaced and artificial grass mats pulled up.
Writing on social media, the council said: “The popular Newbury Adventure Golf park has been badly vandalised.
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“This much-loved community facility is enjoyed by residents and visitors of all ages, and incidents like this have a real impact on everyone who uses and cares for Victoria Park.”
Councillors are appealing for help to anyone who witnessed or knows anything about the incident.
They said: “If you have any information that could help, please contact the Police on 101. You can also report information anonymously via Crimestoppers.”