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Making America's Best Idea Even Better
Delaware Water Gap National Recreation AreaHemlock overstory at Raymondskill Ravine PA...
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Delaware Water Gap National Recreation Area
Park Bulletins on Nature & Science
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How the Gap Formed
What IS a "water gap"?
Theories of its origins; other gaps in the area. (2 pages)

 
Grayish outcrop of quartzite rock

Advanced Mt. Tammany Geology
(for use of those versed in geology)
18 notable geological features on the way to the top of Mt. Tammany. Includes map of Red Dot/Blue Blazed Trails (1 page)

 
sketch of an eagle

Eagles at the Gap
Why they come here; where to go to look for them (1 page)

 
purple trillium, Dingmans Ravine PA

Trail Guide to Dingmans Ravine

 
asian longhorned beetle
Firewood pests
Reasons for the quarantine on firewood from outside the park:
asian longhorned beetle and emerald ash-borer (1 page)
Architect's aerial view of an earthen dam stretching across a wide river  

Did You Know?
... that the reservoir of the proposed Tocks Island Dam would have inundated 30 miles of the Delaware River and 30,000 acres of its river valley (now part of Delaware Water Gap National Recreation Area.) The defeat of the dam was an early victory of the environmental movement in this country.
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Last Updated: December 10, 2008 at 11:08 EST