It's after gatherings of up to 300 people there at the weekend.
The Chairman of the Derryounce Lakes and Trails Committee is urging the public to respect the closure of the amenity.
The decision has been made following estimated gatherings of between 200 and 300 people over the bank holiday weekend.
Gardai raised concerns about the lack of social distancing being observed as well as the number of people in breach of the 5km restriction.
Chairman and Sinn Fein cllr Aidan Mullins is unsure when the closure notice will be lifted:
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