Niagara Falls
Niagara Falls is a group of three waterfalls on the Niagara River between Canada and the United States.
Also known as: Horseshoe Falls drop
How big is it?
51 m tall
Also 167.3 ft
Horseshoe Falls vertical drop · approximate
Typical recorded range: 50 m to 57 m.

A little perspective
About the same scale as Leaning Tower of Pisa.
Leaning Tower of Pisa: The Leaning Tower of Pisa is a medieval freestanding bell tower in Pisa, Italy, famous for its unintended tilt.
Measurements, assumptions & sources +
Niagara Falls
A rounded 51 m vertical-drop anchor for Horseshoe Falls. The Niagara complex contains three waterfalls with different widths and drops; this is not total river elevation change.
Niagara Parks — Niagara Falls facts
The marked horseshoe falls vertical drop is calibrated. Unmeasured illustration details are representative.
Leaning Tower of Pisa
The freestanding bell tower is represented by a rounded 56 m base-to-top height. The top is not level and published heights differ slightly by side and convention.
Opera della Primaziale Pisana — Leaning Tower
The marked overall height is calibrated. Unmeasured illustration details are representative.
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Why this measurement?
Why we use 51 m
For comparison, this page uses horseshoe falls vertical drop. This is labelled approximate; the central value is useful for comparison, while real values or measurement solutions can vary. The recorded range is 50 m to 57 m.
A rounded 51 m vertical-drop anchor for Horseshoe Falls. The Niagara complex contains three waterfalls with different widths and drops; this is not total river elevation change.
The marked vertical span follows the named feature; transparent margins and unmeasured details do not alter it. How calibrated comparisons work →
Recorded properties
Niagara Falls dimensions and measurements
| Property | Selected value | Recorded range | Basis |
|---|---|---|---|
| 51 m | 50 m to 57 m | approximate |
Around this scale
Go smaller. Go bigger.
These links use compatible length records, ordered around the selected value.
Nearest lower value · Sport50 m swimming pool50 mA 50 m swimming pool is a large pool built for competitive swimming events, including international competitions.
Around the same scale · Built worldLeaning Tower of Pisa56 mThe Leaning Tower of Pisa is a medieval freestanding bell tower in Pisa, Italy, famous for its unintended tilt.Sources and method
Want to check the number?
The source records and measurement method remain available for inspection.
- Niagara Parks — Niagara Falls factsHorseshoe Falls has an approximately 51 m vertical drop; the three falls differ.
There’s always another scale




