Locations

SiteCountyStateRHI5RHI10RGI5RGI10Last measurement
Avalon Section Of Patapsco Valley State ParkHowardMaryland147.14138.5114.3112.4712/15/2017
Holly River State ParkWebsterWest Virginia146.22138.309.448.2704/12/2007
Rock Island State ParkWarrenTennessee142.44138.2511.299.9712/30/2023
Sand RunSummitOhio147.47138.2212.7310.5111/17/2013
Santeetlah CreekGrahamNorth Carolina147.12138.0015.1912.1809/08/2009
Ellison ParkMonroeNew York146.36137.509.818.5104/04/2021
Camp CreekRabunGeorgia148.76137.469.787.4109/21/2013
West Virginia Single Tree Sites54 CountiesWest Virginia145.62137.0624.1422.2701/01/1963
Lee BranchOconeeSouth Carolina147.80137.009.807.8205/18/2004
Big Oak Tree State ParkMississippiMissouri141.62136.8119.7517.4311/26/2022
Fort Hil Earthworks And Nature PreserveHighlandOhio142.18136.6910.319.7111/02/2014
West Flint CreekLawrenceAlabama139.50136.6011.8710.1701/06/2006
Robert H. Treman State ParkTompkinsNew York143.10136.598.107.1906/10/2019
Hocking Hills SP, OHHockingOhio148.38136.4410.179.2301/17/2011
Shelton LaurelMadisonNorth Carolina146.28136.0412.438.8205/25/2006
Belt Woods - South TractPrince George'sMaryland148.22135.8113.8211.1401/24/2010
Cheat LakeMonongaliaWest Virginia141.80135.5510.277.7712/12/2018
Hermosa CreekLa PlataColorado165.58135.5413.529.5210/04/2016
Fischer Old Growth Natural AreaTompkinsNew York142.88135.478.567.4909/16/2018
Dick's CoveFranklinTennessee139.88135.3911.8610.1503/16/2024
Big BasinCattaraugusNew York144.06135.3613.2811.9208/24/2021
Smedley ParkDelawarePennsylvania141.36135.2313.7711.3311/18/2011
Lucien Morin County ParkMonroeNew York142.34135.169.977.6704/04/2021
Montpelier - Landmark ForestOrangeVirginia144.54135.0715.4912.1412/30/2009
Montgomery Bell State ParkDicksonTennessee141.82134.9110.839.8205/01/2022
Montpelier Estate Landmark ForestOrangeVirginia147.06134.709.757.2812/12/2019
North Chagrin Reservation (Forest Only)LakeOhio141.96134.7014.8813.4802/20/2018
Glover - Archbold ParkDistrict Of ColumbiaDistrict of Columbia142.30134.5310.969.7710/24/2008
Germantown MetroparkMontgomeryOhio142.92134.3012.399.9312/11/2020
Saddle GapTransylvaniaNorth Carolina144.62134.167.885.6001/07/2011
Porters BowlSevierTennessee147.64134.0717.0012.4311/03/2004
Laurel Fork Heritage PreservePickensSouth Carolina146.76134.030.000.0003/09/2013
Conowingo-Funks Pond Recreational AreaCecilMaryland142.44133.7714.1211.5811/12/2013
Bialowieza National ParkHajnówkaPodlaskie Voivodeship147.40133.4118.9816.2104/27/2011
Irondeqouit Bay Park WestMonroeNew York139.88133.3811.4410.1404/05/2021
WinterthurNew CastleDelaware143.46133.3015.7512.3306/14/2014
Ocmulgee FlatsBleckleyGeorgia137.90133.2912.6711.2601/14/2006
Pennsylvania Single Tree SitesVarious CountiesPennsylvania148.24133.2023.7022.4501/01/2000
Grundy Forest State Natural AreaGrundyTennessee140.58133.115.542.7703/20/2006
Pennypack ParkPhiladelphiaPennsylvania140.08133.0715.8014.0812/28/2009
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