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Particularly Special Place
Newest Trail Running Routes
near Harrington, Delaware
Harrington, Delaware 
Recommended Routes, Photos, & More
Intermediate
Prettyboy Dam Loop
4.3 mi 7.0 km • 379' Up 115.39 m Up • 380' Down 115.81 m Down
Hampstead, MD
Easy/Intermediate
Cattail Pond
0.7 mi 1.1 km • 51' Up 15.41 m Up • 52' Down 15.71 m Down
Newark, DE
Intermediate
Four-mile Loop
4.2 mi 6.8 km • 93' Up 28.3 m Up • 93' Down 28.22 m Down
Willing…, NJ
Easy/Intermediate
North Rock Creek Park 5K Loop
3.2 mi 5.2 km • 258' Up 78.6 m Up • 245' Down 74.79 m Down
Washington, DC
Intermediate/Difficult
Patapsco Perimeter
15.2 mi 24.5 km • 1,363' Up 415.39 m Up • 1,371' Down 417.77 m Down
Arbutus, MD
Easy
Rock Creek Valley Loop
1.3 mi 2.1 km • 35' Up 10.78 m Up • 35' Down 10.76 m Down
Washington, DC
Intermediate
Landenberg Lasso
3.5 mi 5.7 km • 256' Up 77.89 m Up • 259' Down 78.91 m Down
Avondale, PA
Intermediate
Triple Entente: Edwin Leid Trail to PennDel Trail to Vaughn's Trail
4.2 mi 6.8 km • 342' Up 104.1 m Up • 346' Down 105.42 m Down
Avondale, PA
Intermediate
Serpentine Barrens Loop
3.1 mi 5.0 km • 328' Up 99.83 m Up • 328' Down 99.95 m Down
Oxford, PA
Easy
Balanced Rock Loop
3.3 mi 5.3 km • 98' Up 29.84 m Up • 97' Down 29.48 m Down
Dover, PA
Intermediate
Marsh Creek Dam Hike
3.7 mi 5.9 km • 195' Up 59.54 m Up • 195' Down 59.53 m Down
Downing…, PA
Intermediate/Difficult
New Castle County Loop
9.5 mi 15.3 km • 736' Up 224.3 m Up • 738' Down 224.87 m Down
Greenville, DE
Intermediate
Tyler Arboretum Loop
5.4 mi 8.7 km • 617' Up 187.95 m Up • 617' Down 187.95 m Down
Lima, PA
Easy
John Heinz: West Loop
3.8 mi 6.2 km • 34' Up 10.38 m Up • 33' Down 10.16 m Down
Prospec…, PA
Easy
John Heinz: East Loop
3.7 mi 6.0 km • 60' Up 18.23 m Up • 60' Down 18.21 m Down
Folcroft, PA
Intermediate
North Wissahickon Loop
5.7 mi 9.2 km • 779' Up 237.42 m Up • 754' Down 229.91 m Down
Wyndmoor, PA
Intermediate
Green Loop
2.2 mi 3.5 km • 81' Up 24.61 m Up • 83' Down 25.19 m Down
Marlbor…, MD
Intermediate
Orange Loop
2.2 mi 3.6 km • 118' Up 35.9 m Up • 118' Down 35.89 m Down
Marlbor…, MD
Intermediate
Rocks Loop
2.7 mi 4.4 km • 462' Up 140.76 m Up • 461' Down 140.66 m Down
Jarrett…, MD
Intermediate
Jug Bay Tour
6.5 mi 10.5 km • 298' Up 90.69 m Up • 292' Down 89.06 m Down
Croom, MD
Easy
Merkle Loop
3.4 mi 5.4 km • 79' Up 24.09 m Up • 78' Down 23.72 m Down
Dunkirk, MD
Easy
National Arboretum Figure-Eight
2.0 mi 3.2 km • 209' Up 63.73 m Up • 207' Down 62.98 m Down
Washington, DC
Intermediate/Difficult
Wissahickon Valley Park
5.7 mi 9.2 km • 501' Up 152.76 m Up • 500' Down 152.48 m Down
Wyndmoor, PA
Difficult
Susquehannock Trail
2.7 mi 4.3 km • 569' Up 173.36 m Up • 568' Down 173.27 m Down
Susqueh…, PA
Intermediate
Peacedale Preserve
2.9 mi 4.6 km • 276' Up 83.98 m Up • 269' Down 81.97 m Down
Fair Hill, MD
Intermediate
Ridley Creek SP: Yellow-White-Yellow Loop
5.5 mi 8.9 km • 589' Up 179.62 m Up • 590' Down 179.7 m Down
Lima, PA
Difficult
Paper Mill Road Trails at NCR
4.1 mi 6.5 km • 277' Up 84.54 m Up • 277' Down 84.31 m Down
Hunt Va…, MD
No Photos
Easy/Intermediate
Red Trail
5.9 mi 9.5 km • 60' Up 18.17 m Up • 60' Down 18.39 m Down
Preside…, NJ
