Niagara Falls Borders: New York (USA) and Ontario (Canada)

Niagara Falls straddles the international boundary between New York State, USA and Ontario Province, Canada. The Niagara River connects Lake Erie to Lake Ontario and forms the border.

Three Waterfalls, Two Countries

• Horseshoe Falls (Canadian Falls) — 90% in Ontario. 790 m wide, 57 m drop. Most powerful.
• American Falls — Entirely in New York. 320 m wide, 21-34 m drop (rock talus).
• Bridal Veil Falls — Entirely in New York. 17 m wide, 24 m drop. Separated by Luna Island.

Border Crossing

Rainbow Bridge (downtown, pedestrian/vehicle), Whirlpool Rapids Bridge (NEXUS/FAST only), Lewiston-Queenston Bridge (north, vehicle). Passport/EDL required. Allow 30-120 min at peak.

Viewing Perspectives

• Canada side: Panoramic view of all three falls. Queen Victoria Park, Journey Behind the Falls, Skylon Tower, Niagara SkyWheel.
• US side: Cave of the Winds, Maid of the Mist (both sides), Prospect Point, Goat Island, Terrapin Point.

Water Flow

2,400 m³/s average. 50-75% diverted for hydro (Sir Adam Beck, Robert Moses) — treaty minimum 1,400 m³/s daytime tourist season. Night/off-season: 800 m³/s.