Cook_County_GISLocations of official District permitted picnic grove areas. Additional information on rules, rental and availability of groves can be found at: https://fpdcc.com/permits/picnics-event-permits/ Source data is maintained by the Forest Preserve District's Planning and Development Department (GIS Section) and uploaded to this layer daily.ArcGIS FeatureLayerhttps://hub.arcgis.com/datasets/0240b9e03c384c41bf94cd047b855cf3_0engCook CentralPublicForest Preserve District of Cook County Picnic Groves [Illinois--Cook County]Web servicesIllinois--Cook CountyIllinoisLast Modified: 2026-01-08