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Site
County
State
RHI5
RHI10
RGI5
RGI10
Last measurement
Ricketts Glen State Park
Sullivan
Pennsylvania
148.64
139.57
10.23
9.02
12/31/2013
Edwin & Percy Warner Parks
Davidson
Tennessee
145.64
139.53
15.86
14.59
01/28/2024
White Clay Creek Preserve
Chester
Pennsylvania
146.76
139.38
12.15
10.51
11/27/2012
Ridley Creek State Park
Delaware
Pennsylvania
144.32
139.35
17.20
14.67
11/30/2010
Big Creek
Grundy
Tennessee
143.58
139.33
8.64
7.98
01/04/2025
First State National Historical Park
New Castle
Delaware
146.42
139.17
13.90
11.89
10/25/2014
Hurricane Creek
Haywood
North Carolina
152.30
138.62
14.47
12.06
12/22/2006
Avalon Section Of Patapsco Valley State Park
Howard
Maryland
147.14
138.51
14.31
12.47
12/15/2017
Rock Island State Park
Warren
Tennessee
142.44
138.25
11.29
9.97
12/30/2023
Sand Run
Summit
Ohio
147.47
138.22
12.73
10.51
11/17/2013
Ellison Park
Monroe
New York
147.62
138.13
9.87
8.55
12/26/2025
Santeetlah Creek
Graham
North Carolina
147.12
138.00
15.19
12.18
09/08/2009
Montgomery Bell State Park
Dickson
Tennessee
144.20
137.49
10.88
9.84
01/02/2026
Camp Creek
Rabun
Georgia
148.76
137.46
9.78
7.41
09/21/2013
Radnor Lake State Park
Davidson
Tennessee
144.36
137.31
10.88
9.84
01/10/2026
West Virginia Single Tree Sites
54 Counties
West Virginia
145.62
137.06
24.14
22.27
01/01/1963
Lee Branch
Oconee
South Carolina
147.80
137.00
9.80
7.82
05/18/2004
Big Oak Tree State Park
Mississippi
Missouri
141.62
136.81
19.75
17.43
11/26/2022
Fort Hil Earthworks And Nature Preserve
Highland
Ohio
142.18
136.69
10.31
9.71
11/02/2014
West Flint Creek
Lawrence
Alabama
139.50
136.60
11.87
10.17
01/06/2006
Robert H. Treman State Park
Tompkins
New York
143.10
136.59
8.10
7.19
06/10/2019
Hocking Hills SP, OH
Hocking
Ohio
148.38
136.44
10.17
9.23
01/17/2011
Shelton Laurel
Madison
North Carolina
146.28
136.04
12.43
8.82
05/25/2006
Belt Woods - South Tract
Prince George's
Maryland
148.22
135.81
13.82
11.14
01/24/2010
Bridgestone Nature Reserve
White
Tennessee
138.96
135.62
8.32
7.28
10/25/2025
Cheat Lake
Monongalia
West Virginia
141.80
135.55
10.27
7.77
12/12/2018
Hermosa Creek
La Plata
Colorado
165.58
135.54
13.52
9.52
10/04/2016
Fischer Old Growth Natural Area
Tompkins
New York
142.88
135.47
8.56
7.49
09/16/2018
Lucien Morin County Park
Monroe
New York
142.62
135.45
9.98
7.67
12/26/2025
Big Basin
Cattaraugus
New York
144.06
135.36
13.28
11.92
08/24/2021
Smedley Park
Delaware
Pennsylvania
141.36
135.23
13.77
11.33
11/18/2011
Montpelier - Landmark Forest
Orange
Virginia
144.54
135.07
15.49
12.14
12/30/2009
Montpelier Estate Landmark Forest
Orange
Virginia
147.06
134.70
9.75
7.28
12/12/2019
North Chagrin Reservation (Forest Only)
Lake
Ohio
141.96
134.70
14.88
13.48
02/20/2018
Glover - Archbold Park
District Of Columbia
District of Columbia
142.30
134.53
10.96
9.77
10/24/2008
Germantown Metropark
Montgomery
Ohio
142.92
134.30
12.39
9.93
12/11/2020
Saddle Gap
Transylvania
North Carolina
144.62
134.16
7.88
5.60
01/07/2011
Porters Bowl
Sevier
Tennessee
147.64
134.07
17.00
12.43
11/03/2004
Laurel Fork Heritage Preserve
Pickens
South Carolina
146.76
134.03
0.00
0.00
03/09/2013
Collins Gulf
Grundy
Tennessee
140.56
133.92
8.41
6.75
06/21/2025
Showing 41 to 80 of 1370 entries