Locations

SiteCountyStateRHI5RHI10RGI5RGI10Last measurement
Goat Marsh RNACowlitzWashington229.56-15.29-06/15/2023
Quinault Rainforest LoopGrays HarborWashington221.94-9.42-09/17/2020
Hoh Rainforest Visitor CenterJeffersonWashington221.08-3.15-09/17/2020
Sequoia National ParkTulareCalifornia216.48-8.53-07/11/2022
Oregon Caves National Monument & PreserveJosephineOregon210.10-18.70-06/18/2023
Bogachiel Rainforest River TrailClallamWashington204.10-7.43-06/16/2023
Old Sauk River TrailSnohomishWashington201.86-14.16-07/05/2022
Marymere Falls TrailClallamWashington195.86-5.80-06/16/2023
Floodwood State ForestClearwaterIdaho195.76-4.18-07/09/2024
Lost Lake ResortHood RiverOregon191.72-15.36-07/12/2024
Pleasant Valley CampgroundYakimaWashington187.04-12.75-09/16/2020
St. Joe River RoadShoshoneIdaho186.18-2.22-07/08/2024
Tioga Pass Rd.MariposaCalifornia174.38-15.61-07/15/2024
White Pine Creek TrailChelanWashington172.84-14.05-06/13/2023
Ross Creek Scenic Area Giant CedarsLincolnMontana170.86-13.70-06/12/2023
Icicle Creek TrailChelanWashington168.62-13.53-07/06/2022
Frozen Head State ParkMorganTennessee166.90160.5213.7412.8407/27/2024
Hermosa CreekLa PlataColorado165.58135.5413.529.5210/04/2016
Little Joe RoadMineralMontana165.54-9.98-07/08/2024
Burnt MountainSevierTennessee164.38-8.67-04/13/2025
California Single Tree SitesSacramentoCalifornia164.08-14.92-01/02/2001
CataloocheeHaywoodNorth Carolina163.64-13.42-06/20/2007
Tamassee KnobOconeeSouth Carolina161.98153.9611.0310.1503/20/2016
Ponderosa State ParkValleyIdaho159.94-11.24-07/10/2024
Savage GulfGrundyTennessee158.74153.4214.3812.3203/28/2006
Powell CampgroundIdahoIdaho158.28120.3910.307.4907/24/2018
Congaree National ParkRichlandSouth Carolina158.14149.3221.9519.6903/13/2017
Meeman-Shelby Forest State ParkShelbyTennessee158.06154.5619.4217.4002/13/2025
Fall Creek Falls State Resort ParkVan BurenTennessee155.54151.6412.9311.6110/23/2021
Sand BranchRabunGeorgia155.12140.778.646.0801/16/2012
Fiery GizzardGrundy/MarionTennessee154.50148.8111.1510.4311/30/2024
Zoar ValleyCattaraugusNew York154.30146.1912.7811.3307/01/2017
Wadakoe MountainPickensSouth Carolina153.62144.2310.359.6802/03/2005
Wissahickon Valley ParkPhiladelphiaPennsylvania153.52145.9715.9214.0712/02/2019
Ragged Mountain Natural AreaAlbemarleVirginia153.28145.6610.218.7812/28/2023
Edgar Evins State ParkDekalbTennessee152.64145.6712.4011.4702/01/2025
Skiffley CreekHaywoodNorth Carolina152.54141.5910.338.5811/01/2006
Cliff CreekRabunGeorgia152.38140.788.126.8701/07/2011
Mammoth Cave National ParkEdmonsonKentucky152.30148.2614.3112.5506/23/2023
Hurricane CreekHaywoodNorth Carolina152.30138.6214.4712.0612/22/2006
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