{"id":"nps-greg","slug":"great-egg-harbor-river","name":"Great Egg Harbor River","designation":"Unit of the National Park System","category":"national-park","categoryLabel":"National Park","agency":{"code":"NPS","name":"National Park Service","department":"U.S. Department of the Interior","url":"https://www.nps.gov"},"managedBy":[{"code":"NPS","name":"National Park Service","department":"U.S. Department of the Interior","url":"https://www.nps.gov","unitCode":"GREG","designation":"Unit of the National Park System","sourceId":"nps-greg"}],"states":["NJ"],"stateNames":["New Jersey"],"location":{"lat":39.3042,"lon":-74.6497},"bbox":null,"acres":null,"firstProtected":null,"established":null,"administrations":[],"designationHistory":[],"summary":"Both the harbor and river were named for the shorebird and waterfowl eggs covering their meadows. During the American Revolution, privateers hid here. Established as a National Park Service site in 1992, Great Egg Harbor National Wild and Scenic River is one of nation's best birding spots. Local jurisdictions administer its lands. The 129-mile river system flows through Pinelands National Reserve.","summarySource":"National Park Service","guide":{},"trConnection":null,"trConnections":[],"trTypes":[],"links":{"official":"https://www.nps.gov/greg/index.htm","social":{},"recreationGov":null,"alltrails":null,"alltrailsExplore":null,"recreationGovSearch":"https://www.recreation.gov/search?q=Great%20Egg%20Harbor%20River","directions":"http://www.aclink.org/PARKS/mainpages/estell.asp"},"cover":{"url":"https://www.nps.gov/common/uploads/structured_data/425BFE7C-1DD8-B71B-0BEAD91965AC7890.jpg","title":"Gibson Creek","alt":"Sun setting over the river.","credit":"NPS Photo","license":"Public domain (U.S. government work)","licenseUrl":null,"filePage":"https://www.nps.gov/greg/index.htm","tier":1,"source":"National Park Service"},"images":[{"url":"https://www.nps.gov/common/uploads/structured_data/425BFE7C-1DD8-B71B-0BEAD91965AC7890.jpg","title":"Gibson Creek","alt":"Sun setting over the river.","credit":"NPS Photo","license":"Public domain (U.S. government work)","licenseUrl":null,"filePage":"https://www.nps.gov/greg/index.htm","source":"National Park Service","cover":true},{"url":"https://www.nps.gov/common/uploads/structured_data/42912E18-1DD8-B71B-0BB2C9B86833D9CF.jpg","title":"Tuckahoe Osprey","alt":"Medium sized Osprey in a next along the river","caption":"Tuckahoe Osprey","credit":"NPS Photo","source":"NPS"}],"activities":["Astronomy","Stargazing","Biking","Boating","Camping","Fishing","Freshwater Fishing","Saltwater Fishing","Food","Picnicking","Guided Tours","Self-Guided Tours - Walking","Hiking","Hunting and Gathering","Hunting","Paddling","Canoeing","Canoe or Kayak Camping","Kayaking","Stand Up Paddleboarding","Tubing","River Tubing","Wildlife Watching","Birdwatching"],"topics":["Animals","Birds","Fish","Climate Change","Estuaries and Mangroves","Forests and Woodlands","Deciduous Forests","Natural Sounds","Night Sky","Astronomy","River and Riparian","Scenic Views","Thickets and Shrublands","Trails","Water Trails","Watersheds","Headwaters","Wetlands","Wilderness"],"fees":[],"passes":[],"hours":[{"name":"Great Egg Harbor River Hours","description":"The Great Egg Harbor River is a 55.0-mile-long (88.5 km) river in southern New Jersey in the United States. It is one of the major rivers that traverse the largely pristine Pinelands, draining 308 square miles (800 km2) of wetlands into the Atlantic Ocean at Great Egg Harbor, from which it takes its name. At river location in Estell Manor Park - please check (609) 625-1897 for hours.","standardHours":{"wednesday":"Sunrise to Sunset","monday":"Sunrise to Sunset","thursday":"Sunrise to Sunset","sunday":"Sunrise to Sunset","tuesday":"Sunrise to Sunset","friday":"Sunrise to Sunset","saturday":"Sunrise to Sunset"},"exceptions":[]}],"directions":"Estell Manor Park, where visitors can see the Great Egg Harbor National Scenic and Recreational River, is located 3.5 miles South of Mays Landing, New Jersey, off of Route 50. It is approximately 17 miles west of Atlantic City. There is a stamper for Passport Stamp Books at the Fox Nature Center, and a stamp can be obtained at the mailing address provided below.","weatherInfo":"Temperate, with a moderating influence of the Atlantic Ocean. NOAA Weather Seven-Day Forecast for Mays Landing, New Jersey: https://forecast.weather.gov/MapClick.php?lat=39.4521478&lon=-74.7275318 Tide information for Mays Landing, Great Egg Harbor River, New Jersey: https://www.usharbors.com/harbor/new-jersey/mays-landing-great-egg-harbor-river-nj/tides/","contacts":{"phone":null,"email":"lambert_nicole@aclink.org"},"visitorCenters":[],"campgrounds":[],"thingsToDo":[],"nearby":[{"slug":"cape-may-national-wildlife-refuge","km":13},{"slug":"edwin-b-forsythe-national-wildlife-refuge","km":29},{"slug":"bombay-hook-national-wildlife-refuge","km":69},{"slug":"new-jersey-pinelands-national-reserve","km":71},{"slug":"prime-hook-national-wildlife-refuge","km":73},{"slug":"gloria-dei-church-national-historic-site","km":82}],"hasBoundary":false,"boundarySource":null,"sources":[{"name":"NPS Data API","url":"https://developer.nps.gov/api/v1/parks?parkCode=greg"}],"editorialStatus":"draft","synced":"2026-11-09T02:12:45.613Z","alerts":[{"source":"NWS","kind":"Small Craft Advisory","severity":"Minor","title":"Small Craft Advisory issued November 8 at 8:51PM EST until November 9 at 7:00PM EST by NWS Mount Holly NJ","text":"* WHAT...West winds 20 to 30 kt and seas 3 to 6 ft expected.\n\n* WHERE...Coastal waters from Sandy Hook to Manasquan Inlet NJ\nout 20 NM, Coastal waters from Manasquan Inlet to Little Egg\nInlet NJ out 20 NM and Coastal waters from Little Egg Inlet to\nGreat Egg Inlet NJ out 20 NM.\n\n* WHEN...Until 7 PM EST Monday.\n\n* IMPACTS...Conditions will be hazardous to small craft.","instruction":"Inexperienced mariners, especially those operating smaller\nvessels, should avoid navigating in hazardous conditions.","url":"https://alerts.weather.gov/search?id=urn%3Aoid%3A2.49.0.1.840.0.077fe8d453cbaedc44dd58aac4cba96533a716e9.002.1","starts":"2026-11-08T20:51:00-05:00","ends":"2026-11-09T19:00:00-05:00","id":"nws-urn:oid:2.49.0.1.840.0.077fe8d453cbaedc44dd58aac4cba96533a716e9.002.1"}],"url":"https://directory.labs.trlibrary.com/sites/great-egg-harbor-river/","boundaryUrl":null}