Locations

SiteCountyStateRHI5RHI10RGI5RGI10Last measurement
Zoar ValleyCattaraugusNew York153.52144.7610.629.3607/01/2017
Turkey Run ParkFairfaxVirginia150.74144.0414.1712.8103/17/2017
Letchworth State ParkWyoming/LivingstonNew York148.70143.0112.9311.5608/20/2018
Wissahickon Valley ParkPhiladelphiaPennsylvania149.80142.8515.9214.0711/15/2011
Cuyahoga Valley CompositeSummitOhio151.34142.7612.8210.7711/06/2011
Fair Hill NRMACecilMaryland148.98142.3412.1710.8812/03/2015
Ragged Mountain Natural AreaAlbemarleVirginia150.76142.3410.018.6006/17/2017
Brandywine Creek State ParkNew CastleDelaware148.70140.6216.6013.8201/09/2011
California Woods Nature PreserveHamiltonOhio148.00140.1811.4010.4902/27/2014
Caledon State ParkKing GeorgeVirginia147.96140.0414.5212.8111/11/2015
Ricketts Glen State ParkSullivanPennsylvania148.64139.5710.239.0212/31/2013
White Clay Creek PreserveChesterPennsylvania146.76139.3812.1510.5111/27/2012
Ridley Creek State ParkDelawarePennsylvania144.32139.3517.2014.6711/30/2010
Holly River State ParkWebsterWest Virginia146.22138.309.448.2704/12/2007
Sand RunSummitOhio147.47138.2212.7310.5111/17/2013
Fort Hil Earthworks And Nature PreserveHighlandOhio142.18136.6910.319.7111/02/2014
Hocking Hills SP, OHHockingOhio148.38136.4410.179.2301/17/2011
Ellison ParkMonroeNew York145.52136.139.607.0907/04/2018
Belt Woods - South TractPrince George'sMaryland148.22135.8113.8211.1401/24/2010
Cheat LakeMonongaliaWest Virginia141.80135.5510.277.7712/12/2018
Fischer Old Growth Natural AreaTompkinsNew York142.88135.478.567.4909/16/2018
Smedley ParkDelawarePennsylvania141.36135.2313.7711.3311/18/2011
Montpelier - Landmark ForestOrangeVirginia144.54135.0715.4912.1412/30/2009
North Chagrin Reservation (Forest Only)LakeOhio141.96134.7014.8813.4802/20/2018
Montpelier Estate Landmark ForestOrangeVirginia147.06134.709.757.2812/12/2019
Everett WoodsSummitOhio144.68134.609.527.4004/03/2011
Glover - Archbold ParkDistrict Of ColumbiaDistrict of Columbia142.30134.5310.969.7710/24/2008
Laurel Fork Heritage PreservePickensSouth Carolina146.76134.030.000.0003/09/2013
Germantown MetroparkMontgomeryOhio141.70133.6910.268.4203/10/2014
Robert H. Treman State ParkTompkinsNew York139.00133.518.036.3006/10/2019
WinterthurNew CastleDelaware143.46133.3015.7512.3306/14/2014
Pennsylvania Single Tree SitesVarious CountiesPennsylvania148.24133.2023.7022.4501/01/2000
Pennypack ParkPhiladelphiaPennsylvania140.08133.0715.8014.0812/28/2009
Irondeqouit Bay Park WestMonroeNew York139.66132.9910.599.0811/12/2017
Lucien Morin County ParkMonroeNew York140.10132.579.877.6111/12/2017
West Virginia Single Tree SitesVarious CountiesWest Virginia142.08132.5723.5821.9801/01/2000
Rockefeller State Park PreserveWestchesterNew York137.32132.3211.309.5901/12/2020
Ohiopyle SPFayettePennsylvania137.20132.1010.198.6411/11/2011
Herbert Taylor/Daniel Johnson Nature Preserve, Atlanta, GADekalbGeorgia138.54132.0511.5010.2501/28/2012
Green Lakes State ParkOnondagaNew York138.32131.9011.6210.1003/26/2016
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