Pennsylvania Highlands Critical Treasures

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