Canada 
In numbers.
Apr–May
Oct–Nov
Best months
172m
Elevation
The water at Promontory Falls, month by month
It roars from March to June and from October to November.
The fullest months: from March to June and from October to November.
- 64%Jan
- 67%Feb
- 77%Mar
- 100%Apr
- 100%May
- 76%Jun
- 62%Jul
- 51%Aug
- 60%Sep
- 82%Oct
- 75%Nov
- 60%Dec
Best months to go, with plenty of water and pleasant days: from April to May and from October to November.
Estimate from rain, snowmelt and evaporation month by month (NASA POWER, 1991–2020) around the falls. Dams upstream can change the real flow.
Getting there.
- Grimsbynearest town · 6.4 km in a straight line
- Parking 1,160 m awaynearest car park in OpenStreetMap, straight line
- John C. Munro Hamilton International Airport (YHM)nearest airport with scheduled flights · 23 km in a straight lineCar hire at YHM airport (Hamilton)Discover Cars · Affiliate link↗
- From April to May and from October to Novemberbest months to go (estimate)
Plan your visit
Stay, explore and get there
Some links above are affiliate links: if you book through them we may earn a commission, at no extra cost to you. It never changes what the data on this page says.
Seen from the sky.
8 × 8 km of cloud-free satellite image, with what OpenStreetMap knows around the falls.
N
2 km
Sentinel-2 cloudless 2016 (EOX, CC BY 4.0), 8 × 8 km, north up. Points © OpenStreetMap contributors.
The line follows the river as mapped in OpenStreetMap; heights from the 30 m Copernicus model, which smooths narrow drops — the published height of the falls is the one above.
Around the falls the river drops 96 m in 0.7 km.
What is around.
- —viewpoints
- 3waymarked walking routesDofasco 2000 Trail, Bruce Trail - Iroquoia section, Bruce Trail - Iroquoia section side trails
- 16car parks
- —swimming spots
- —picnic sites
- —toilets
- —information boards and visitor centres
- —bus stops within 1 km
- 14other named waterfalls within 4 kmGrand Cascade, Vinemount West Falls, McNeilly Falls and 11 more
- —caves
- 1campsitesFifty Point Conservation Area Campground
- 3hotels, B&Bs and huts within 6 kmThe Casablanca Hotel, Super 8, Beamer Falls Manor at Falconridge Farm
- 15restaurants and cafés within 3 km
Counted in OpenStreetMap, the map anyone can edit, up to 2 km around the falls (unless noted). A low number may just mean nobody has mapped it yet. © OpenStreetMap contributors (ODbL).
Towns nearby
- Grimsby6.4 km in a straight line
- Stoney Creek10 km in a straight line
- Binbrook16 km in a straight line
- Hamilton18 km in a straight line
- Vineland21 km in a straight line
- Waterdown25 km in a straight line
Weather
The weather, month by month.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Afternoon °C | -1 | 0 | 4 | 10 | 17 | 23 | 26 | 26 | 22 | 15 | 8 | 2 |
| Night °C | -6 | -6 | -3 | 2 | 8 | 14 | 18 | 18 | 15 | 8 | 2 | -2 |
| Rain & snow (mm) | 59 | 51 | 58 | 75 | 81 | 80 | 86 | 71 | 81 | 89 | 70 | 70 |
| Wet days | 14 | 11 | 12 | 14 | 14 | 15 | 16 | 15 | 14 | 15 | 14 | 15 |
| Sun h/day | 2.5 | 3.3 | 4.9 | 6.0 | 7.3 | 8.4 | 8.5 | 7.8 | 6.7 | 3.9 | 2.8 | 2.0 |
| Snow on the ground (cm) | 17 | 16 | 13 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 16 |
Long-term averages 1991–2020 (NASA POWER) for a cell about 55 km wide, with temperatures carried to the height of the falls (172 m) at −6.5 °C per 1,000 m. Not a forecast.
Recent years
Wet years and dry years
Rain of each month as a share of the 1991–2020 average. A wet season above 100 % usually means a fuller waterfall.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2020 | 132% | 89% | 85% | 61% | 63% | 54% | 75% | 67% | 43% | 69% | 69% | 72% |
| 2021 | 52% | 56% | 39% | 56% | 34% | 64% | 119% | 71% | 99% | 99% | 58% | 63% |
| 2022 | 71% | 120% | 68% | 72% | 69% | 61% | 70% | 79% | 76% | 48% | 101% | 88% |
| 2023 | 115% | 96% | 114% | 106% | 37% | 83% | 131% | 111% | 35% | 78% | 66% | 100% |
| 2024 | 139% | 44% | 76% | 122% | 66% | 82% | 86% | 83% | 61% | 41% | 71% | 98% |
| 2025 | 50% | 77% | 61% | 74% | 83% | 61% | 48% | 61% | 35% | 96% | 62% | 91% |
130% wetter than usual 70% drier than usual
Compare with the waterfalls nearby.
Promontory Falls
Canada
- —Height
- —Average flow
- Apr–May, Oct–NovBest months
About these numbers
| Names, height, width, river | Wikidata (Q37252) · CC0 |
|---|---|
| Climate | NASA POWER, 1991–2020 |
| Relief, river profile, 3D model | Copernicus DEM GLO-30 · © DLR e.V., © Airbus Defence and Space GmbH, Copernicus/ESA |
| Paths, viewpoints, parking | © OpenStreetMap contributors · ODbL |
| Images | EOX Sentinel-2 cloudless 2016 · CC BY 4.0; Wikimedia Commons |
Every figure is an average, an estimate or a count from a public dataset. Licences and methods: data sources.
The family
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