River Lea: An Atypical Urban River

The River Lea (or Lee) is not a typical river:

• Length: Only 69 km (43 mi).
• Depth: Average ~1.5 m (5 ft).
• Urbanization: Most of its course runs through Greater London suburbs.
• Pollution & Habitat Loss: Historically industrialized; ongoing restoration efforts.

It serves as a case study in urban river rehabilitation.