Mountain laurel normally blooms in early June, followed by rhododendron. Eel weirs are constructed by permit in late summer, before female American eels begin their downstream fall migration to spawning grounds in the Sargasso Sea. December to March, when the river is frozen, is a good time for eagle watching. Numerous land-based festivals occur annually in towns within the Upper Delaware River Valley. Annual River Clean-up is held every July.
Public participation is welcomed.
The most important concern regarding visitor impact at Upper Delaware Scenic and Recreational River is respect for private property. The majority of the land along the Upper Delaware is privately owned. Trespassing, littering and camping on private land are major concerns. Plan your trip well before departing. Please be considerate and camp only in designated campgrounds.