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Adams County
- Narrows
- Buchanan Valley
- The Fruit Belt
Berks County
- Birdsboro Waters
- Glen Morgan Lake
- Hay Creek Watershed
- Mount Penn
- Neversink Mountain
- North Branch French Creek Watershed
- Oley Hills
- Pine Creek Watershed
- Saucony Creek Watershed
- Schuylkill River Watershed
- Upper Perkiomen Creek Watershed
Bucks County
- Cooks Creek Watershed
- Durham Mine/Mine Hill/Rattlesnake Hill
- Haycock Mountain
- Quakertown Swamp
- Rapp Creek Watershed
- Ridge Valley Creek
- Roaring Rocks Watershed
- Rock Hill
- Tohickon Creek Watershed
- Unami Hills and Ridge Valley Creek
- Upper Perkiomen Creek Watershed
- Tinicum Creek Watershed
Chester County
- Great Marsh
- North Branch French Creek Watershed
Lehigh County
- Hosensack Swamp
- Lehigh Canal & Corridor Greenway
- Little Lehigh Creek Watershed
- Lower Lehigh Valley Reach of the Lehigh River
- Upper Perkiomen Creek Watershed
Lancaster County
- Middle Creek Wildlife Management Area
- Furnace Hills
- Welsh Mountain
Lebanon County
- Middle Creek Wildlife Management Area
Montgomery County
- Schuylkill River Watershed
- Spring Mountain
- Stone Hill
- Upper Perkiomen Creek Watershed
- Unami Hills
Northampton County
- Bougher Hill
- Lehigh Canal & Corridor Greenway
- Stouts Valley
- South Mountain Preserve
- Lower Lehigh Valley Reach of the Lehigh River
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