The Washington Channel is a saltwater channel in Washington, D.C., forming a protected waterway between the Southwest waterfront and East Potomac Park. It connects to the Potomac River downstream near Hains Point and is a central hub for recreational paddling within the city. The primary and most frequently mentioned access point for paddlers is The Wharf Boathouse, which offers kayak and paddleboard rentals. This facility is a key launch site, though one source notes that personal watercraft may not be launchable from there, and another mentions a potential fee for launching except on Sundays. Paddlers can also access the channel from the Columbia Island Marina on the Virginia side of the Potomac River, requiring a paddle across the river, around Hains Point, and into the channel's entrance.

The paddling experience is characterized by its urban setting alongside The Wharf's bustling waterfront, offering views of the cityscape. The channel provides a more sheltered environment compared to the open Potomac River. A common recommended route involves paddling along the Washington Channel and around Hains Point. Paddlers are advised to stay within the Washington Channel when launching from The Wharf Boathouse, indicating that venturing into the adjacent Potomac River may involve different considerations. The area sees significant other boat traffic, including water taxis and marina activity, requiring vigilance. The channel is a popular destination, especially during the spring cherry blossom season.