Lehigh River Quiz
PA tributary, valley geography, landforms (10 questions).
Lehigh River Quiz: Quick Study Notes
The Lehigh River, a vital waterway in eastern Pennsylvania, flows approximately 109 miles from its headwaters in the Pocono Mountains to its confluence with the Delaware River in Easton. This quiz challenges your knowledge of its geography, including its role as a significant tributary, the unique valley it carves, and the distinctive landforms shaped by its powerful flow through the Appalachian Mountains.
Key Topics
The Lehigh River is a major tributary, flowing entirely within Pennsylvania into the larger Delaware River.
It defines the historic Lehigh Valley region, known for its industrial heritage and population centers.
The river is famous for carving the dramatic, V-shaped Lehigh Gorge through the Appalachian Mountains.
Its source lies in the unique swampy, glacial terrain of the Pocono Mountains.
Key Takeaways
- **Pennsylvania Location:** The Lehigh River flows entirely within Eastern Pennsylvania.
- **Delaware Tributary:** It is a major tributary of the Delaware River, joining it at Easton.
- **Lehigh Valley:** The river gives its name to the culturally and historically significant Lehigh Valley region.
- **Lehigh Gorge:** It is renowned for carving the Lehigh Gorge, a deep, narrow valley through the Appalachian Mountains.
- **Anthracite Coal:** Historically crucial for transporting anthracite coal from the Pennsylvania coalfields.
- **Pocono Headwaters:** Its headwaters are found in the swampy, high-elevation areas of the Pocono Mountains.
- **Recreational Hub:** The gorge and river are popular for whitewater rafting, hiking, and other outdoor activities.
Frequently Asked Questions
What is the Lehigh River?
The Lehigh River is a 109-mile-long tributary of the Delaware River, located entirely within eastern Pennsylvania, United States.
Where does the Lehigh River originate and empty?
It originates in the Pocono Mountains (specifically in swamps north of Gouldsboro) and flows generally southeastward to join the Delaware River at Easton, Pennsylvania.
What kind of geography defines the Lehigh Valley?
The Lehigh Valley region, through which the river flows, is characterized by fertile farmlands, urban centers like Allentown and Bethlehem, and is part of the Ridge and Valley physiographic province of the Appalachian Mountains.
What notable landforms are associated with the Lehigh River?
The most famous landform is the Lehigh Gorge, a deep, V-shaped canyon carved by the river through the mountains, forming the centerpiece of Lehigh Gorge State Park. Rapids and rocky sections are also common.
What was the historical significance of the Lehigh River?
The river was instrumental in the industrial development of Pennsylvania, particularly for transporting anthracite coal from the coalfields via canals (like the Lehigh Canal) to markets.

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