Bring your leashed dog to Antrim Park. Antrim is a nearly 120 acre park surrounded by a quarried lake and the Olentangy Greenway Trail , great for running, walking, biking or skating. Antrim Park is a popular place for fishing, which can be done off the banks or from the large accessible dock. The lake is stocked once a year with Rainbow Trout by the Ohio Department of Natural Resources. The park is open daily from 7 am - 11 pm.