
In numbers.
May–Aug
Best months
1,697m
Elevation
The water at Arctomys Falls, month by month
It roars from May to July.
The fullest months: from May to July, with the snowmelt. The thinnest: October and from December to March. Below −4 °C on average (from November to March): the falls can partly freeze.
- 8%Jan
- 4%Feb
- 22%Mar
- 59%Apr
- 100%May
- 99%Jun
- 80%Jul
- 53%Aug
- 36%Sep
- 25%Oct
- 27%Nov
- 12%Dec
Best months to go, with plenty of water and pleasant days: from May to August.
Estimate from rain, snowmelt and evaporation month by month (NASA POWER, 1991–2020) around the falls. Dams upstream can change the real flow.
Waterfall
Arctomys Falls is a waterfall in Canada. It lies within Mount Robson Provincial Park.
Getting there.
- Williams Lake Airport (YWL)nearest airport with scheduled flights · 235 km in a straight lineCar hire at YWL airport (Williams Lake)Discover Cars · Affiliate link↗
- From May to Augustbest 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.
What is around.
- —viewpoints
- 1waymarked walking routesMoose River Route
- —car parks
- —swimming spots
- —picnic sites
- —toilets
- —information boards and visitor centres
- —bus stops within 1 km
- —other named waterfalls within 4 km
- —caves
- 1campsitesColonel Creek
- —hotels, B&Bs and huts within 6 km
- —restaurants 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).
Weather
The weather, month by month.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Afternoon °C | -8 | -7 | -4 | 1 | 9 | 14 | 17 | 16 | 11 | 3 | -4 | -9 |
| Night °C | -16 | -17 | -13 | -8 | -1 | 3 | 6 | 5 | 1 | -5 | -12 | -17 |
| Rain & snow (mm) | 42 | 35 | 54 | 52 | 67 | 100 | 98 | 71 | 61 | 56 | 52 | 35 |
| Wet days | 13 | 10 | 16 | 16 | 17 | 20 | 19 | 16 | 14 | 15 | 14 | 11 |
| Sun h/day | 2.2 | 4.2 | 5.2 | 6.8 | 7.1 | 6.8 | 7.7 | 7.2 | 5.4 | 3.4 | 1.8 | 2.0 |
| Snow on the ground (cm) | 42 | 51 | 55 | 41 | 14 | 4 | 1 | 1 | 8 | 16 | 21 | 32 |
Long-term averages 1991–2020 (NASA POWER) for a cell about 55 km wide, with temperatures carried to the height of the falls (1,697 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 | 194% | 150% | 105% | 81% | 115% | 133% | 139% | 90% | 78% | 143% | 119% | 107% |
| 2021 | 104% | 143% | 78% | 80% | 120% | 59% | 46% | 138% | 85% | 91% | 149% | 169% |
| 2022 | 129% | 130% | 103% | 73% | 84% | 144% | 53% | 120% | 53% | 67% | 105% | 112% |
| 2023 | 73% | 151% | 46% | 75% | 135% | 138% | 75% | 122% | 90% | 47% | 59% | 87% |
| 2024 | 112% | 155% | 84% | 113% | 119% | 91% | 51% | 110% | 125% | 149% | 90% | 121% |
| 2025 | 79% | 69% | 146% | 83% | 118% | 89% | 115% | 151% | 92% | 104% | 88% | 242% |
130% wetter than usual 70% drier than usual
Compare with the waterfalls nearby.
About these numbers
| Names, height, width, river | Wikidata (Q37745) · 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
Do you prefer beaches, lakes, mountains, waterfalls, islands, rivers, canyons, caves or dark skies?
Same idea, other landscapes: field atlases built on open data, month by month, in seven languages.



