The Croton River is a scenic waterway in southeastern New York, originating at the New Croton Dam and flowing approximately 10 miles southeast to its confluence with the Hudson River at Croton-on-Hudson. This river forms a key part of New York City's water supply system, draining the Croton Watershed. Paddling opportunities on the Croton River range from flatwater to moderate whitewater, offering experiences for various skill levels. The river is divided into two main sections: the Upper Section from New Croton Dam to Quaker Bridge Dam, and the Lower Section from Echo Canoe Launch to the Hudson River confluence.

The Upper Section presents more challenging conditions, with difficulty ratings ranging from Class II to IV depending on water levels. A notable feature is the Class II-ish rock slide at Black Rock Park Dam, which requires caution due to its Class IV consequences. The Lower Section offers a more relaxed paddling experience, suitable for beginners and families, with mostly flatwater and gentle Class I-II rapids. The river is best paddled in spring and early summer when water levels are higher. However, it's important to note that the lower sections are tidally influenced, making paddling difficult during the hour before and after low tide.

The Croton River corridor supports a diverse ecosystem, home to various fish species, waterfowl, and riparian vegetation. Paddlers may spot great blue herons, bald eagles, and painted turtles along the shoreline. Key landmarks include the impressive New Croton Dam, Black Rock Park, and the historic Quaker Bridge. The river passes through scenic woodlands and offers beautiful views of the surrounding Hudson Valley landscape.

Primary access points include the put-in below New Croton Dam for the Upper Section, and the Echo Canoe and Kayak Launch in Croton-on-Hudson for the Lower Section. The nearby Metro-North Railroad station makes the river easily accessible for day trips from New York City.

Historically, the Croton River played a crucial role in the development of New York City's water supply system in the 19th century. Today, it continues to be an important water source while also serving as a valuable recreational resource.

Safety considerations include wearing a personal flotation device at all times, as required by law. Paddlers should be aware of changing water levels, potential strainers, and the tidal influence in the lower sections. It's advisable to check water levels and weather conditions before embarking on a trip. While multi-day trips are not common due to the river's length, the Croton River offers excellent opportunities for day trips and can be combined with exploration of the nearby Hudson River for extended paddling adventures.