Paddling on the Bronx River in New York. Photo: Bronx River Alliance

East Coast River Relay Partners

A common mission: Growing environmental stewardship

The East Coast Greenway Alliance is proud to have partnered with 200-plus River Relay partners. Together, we work to increase environmental awareness and stewardship by better connecting people to the outdoors.


Thanks to so many River Relay partners!


Adventure Cycling Association  

Alliance for Watershed Education of the Delaware River

American Rivers

Association for the Advancement of Sustainability in Higher Education


League of American Bicyclists

Live Nation

National Park Service Rivers, Trails & Conservation Assistance

Rails-to-Trails Conservancy

River Network

September 11 National Memorial Trail Alliance

Whole Foods Market


American Folk Festival

Bicycle Coalition of Maine

Bold Coast Scenic Bikeway

Brunswick-Topsham Land Trust

City of Calais

Eastern Trail Alliance

Friends of Scarborough Marsh

Maine Audubon

Maine Sports Commission

Maine Tourism Association

Merrymeeting Wheelers Bicycle Club

Passamaquoddy Tribe of Indian Township

Schoodic Riverkeepers

Topsham Historical Society

Wabanaki Cultural Center

Washington County Council of Governments

New Hampshire

Gundalow Company

New Hampshire Seacoast Greenway Alliance

Rockingham Planning Commission

Seacoast Science Center


Bike to the Sea, Inc.

Blackstone River Corridor

Charles River Museum of Industry and Innovation

Charles River Watershed Association

Idlehands Craft Ale

Massachusetts Rivers Alliance

Mystic River Watershed Association

Waltham Land Trust

Watch City Bike Lab

Rhode Island

Blackstone Parks Conservancy

Fox Point Neighborhood Association

Friends of India Point Park

Narragansett Boat Club

Rhode Island Bicycle Coalition

Rhode Island Rivers Council

Seekonk Riverbank Revitalization Alliance

Waterman Street Dog Park


Bike Walk Bolton

Farmington River Watershed Association

Merritt Parkway Trail Alliance

Park Watershed

Putnam Redevelopment Agency

Riverfront Recapture

Town of Putnam

New York

Bronx River Alliance

Hudson Riverkeeper

Waterfront Alliance

New Jersey

City of Hoboken

Coalition for the Delaware River Watershed

D&R Greenway Land Trust

Geraldine R. Dodge Foundation

New Jersey Bike & Walk Coalition

New Jersey Conservation Foundation

Stony Brook-Millstone Watershed Association


Bartram’s Garden

Bicycle Coalition of Greater Philadelphia

The Circuit Trails

Delaware and Lehigh National Heritage Corridor

Delaware River City Corporation

Delaware River Waterfront Corporation

Delaware Riverkeeper Network

Pennsylvania Environmental Council

Philadelphia Parks and Recreation

Stroud Water Research Center


Bike Delaware

City of Wilmington

Delaware Greenways

Delaware Nature Society's DuPont Environmental Education Center

New Castle County

Riverfront Development Corporation of Delaware

Wilmington Area Planning Council


Anne Arundel County Police Department

Anne Arundel County Water Access Commission

Bicycle Advocates for Annapolis & Anne Arundel County

Bike Maryland


Blue Water Baltimore

Chesapeake Conservancy

Druid Hills Farmers Market

Friends of Anne Arundel County Trails

Greater Baltimore Wilderness Coalition

Maryland Department of Transportation

Outward Bound – Baltimore/Chesapeake Bay

Patuxent Riverkeeper

Potomac Riverkeeper Network

Severn River Association


Altamaha Riverkeeper

City of Brunswick

Brunswick Downtown Development Authority

Camden BIcycle Center

Camden Cycling Club

Coastal Georgia Greenway, Inc.

Fitness on Broughton

Georgia Bikes

Georgia Conservancy

Georgia Rivers Network

Healthy Savannah

Kayak Kafe

Ogeechee Riverkeeper

One Hundred Miles

City of St. Marys

St. Marys Riverkeeper

Satilla Riverkeeper

Savannah Bicycle Campaign

Savannah Riverkeeper

Service Brewing Company

SouthEast Adventure Outfitters


Amelia Island Trail

City of Daytona Beach

City of Fernandina Beach

City of Fort Pierce

City of Jacksonville

City of Neptune Beach

City of Titusville

The Community Foundation for Northeast Florida

Eastside Environmental Council

Florida Department of Environmental Protection, Division of Parks and Recreation

Florida Office of Greenways and Trails

Florida Department of Transportation

Florida Sea Grant/University of Florida IFAS Extension

Friends of Ludlam Trail

Friends of the Underline

John Pennekamp Coral Reef State Park

Jonathan Dickinson State Park

Jupiter Inlet Lighthouse and Museum

Jupiter Water Taxi

Little Talbot Island State Park

Marine Discovery Center

Matanzas Riverkeeper

Merritt Island National Wildlife Refuge

Miami-Dade County

Miami Waterkeeper

North Florida Bicycle Club


Sailfish Brewery

St. Johns River to Sea Loop Alliance

Saint Lucie County

Space Coast Transportation Planning Organization

Timucuan Parks Foundation 

TItusville Chamber of Commerce

Treasured Lands Foundation

Tri-Athletica Sports

The Underline

UF Health Shands Hospital-Jacksonvile

Join the Greenway!

Your support helps to develop this ambitious, 3,000-mile route, Canada to Key West. Your membership gift builds more protected miles that we can all enjoy, today and for generations to come.