Locations

SiteCountyStateRHI5RHI10RGI5RGI10Last measurement
First State National Historical ParkNew CastleDelaware146.42139.1713.9011.8910/25/2014
T.O. Fuller State ParkShelbyTennessee146.40140.9313.5312.2201/27/2025
Ellison ParkMonroeNew York146.36137.509.818.5104/04/2021
Shelton LaurelMadisonNorth Carolina146.28136.0412.438.8205/25/2006
Tanglewood ParkForsythNorth Carolina146.08139.5911.1710.1801/06/2007
Overton ParkShelbyTennessee145.90140.2517.1915.5302/03/2024
Edwin & Percy Warner ParksDavidsonTennessee145.64139.5315.8614.5901/28/2024
West Virginia Single Tree Sites54 CountiesWest Virginia145.62137.0624.1422.2701/01/1963
King CreekTransylvaniaNorth Carolina145.56-5.15-01/10/2012
Deep CreekSwainNorth Carolina145.46121.2512.409.5810/07/2006
Noxon Rapids ReservoirSandersMontana145.14-7.29-06/13/2023
Noxubee National Wildlife ReserveNoxubeeMississippi145.14141.1717.5315.5104/05/2019
Saddle GapTransylvaniaNorth Carolina144.62134.167.885.6001/07/2011
Montpelier - Landmark ForestOrangeVirginia144.54135.0715.4912.1412/30/2009
Shakerag HollowFranklinTennessee144.46139.9712.2210.9601/01/2024
Ridley Creek State ParkDelawarePennsylvania144.32139.3517.2014.6711/30/2010
Vicksburg National Military ParkWarrenMississippi144.16-10.02-01/07/2025
West Virginia Historical Trees54 CountiesWest Virginia144.16128.3424.2322.0301/01/1963
Big BasinCattaraugusNew York144.06135.3613.2811.9208/24/2021
False Gap ProngSevierTennessee143.90-8.10-02/18/2007
Big CreekGrundyTennessee143.58139.338.647.9801/04/2025
WinterthurNew CastleDelaware143.46133.3015.7512.3306/14/2014
Dick's CoveFranklinTennessee143.36140.2912.4411.0604/13/2024
Flat Top MountainFanninGeorgia143.26114.869.577.6401/15/2007
Camp BranchOconeeSouth Carolina143.20132.238.036.8901/02/2005
CFSP-Seneca Forest Special Management AreaClarionPennsylvania143.12130.7912.7611.4512/19/2017
Whitewater RiverOconeeSouth Carolina143.10132.957.754.7802/25/2012
Robert H. Treman State ParkTompkinsNew York143.10136.598.107.1906/10/2019
Laurel ForkPickensSouth Carolina142.94-7.93-05/05/2002
Germantown MetroparkMontgomeryOhio142.92134.3012.399.9312/11/2020
Bald Top RidgeSevierTennessee142.90-12.62-11/05/2005
Fischer Old Growth Natural AreaTompkinsNew York142.88135.478.567.4909/16/2018
Upper Tallulah RiverRabunGeorgia142.76-8.12-09/03/2014
Everett WoodsSummitOhio142.48131.109.527.4004/03/2011
Rock Island State ParkWarrenTennessee142.44138.2511.299.9712/30/2023
Conowingo-Funks Pond Recreational AreaCecilMaryland142.44133.7714.1211.5811/12/2013
Lucien Morin County ParkMonroeNew York142.34135.169.977.6704/04/2021
Glover - Archbold ParkDistrict Of ColumbiaDistrict of Columbia142.30134.5310.969.7710/24/2008
Fort Hil Earthworks And Nature PreserveHighlandOhio142.18136.6910.319.7111/02/2014
Cosby Campground AreaCockeTennessee142.00-16.72-11/03/2004
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