Mount Cayley Mountain
Stratovolcano in coastal British Columbia
In British Columbia's Coast Mountains, Mount Cayley is a volcanic massif reached by experienced climbers and backcountry skiers; visitors approach via forested valleys, glaciers and monitored volcanic terrain.
Mount Cayley at a Glance#
Address: Coast Mountains, near Squamish-Whistler corridor, British Columbia (no formal address)
Hours: Open year‑round (daylight hours); snow and avalanche seasons close many approaches
Admission: Free (wilderness access); fees may apply for guided glacier routes
How to Get to Mount Cayley#
Typical approaches begin from the Squamish-Whistler corridor; follow logging and service roads toward Callaghan Valley and then to designated trailheads. Many approaches require river crossings and bushwhacking; use local guides or current trail reports.
Tips for Visiting Mount Cayley#
- Approach via Squamish or Whistler and then take the Forest Service roads toward Mount Cayley; check road access and washouts with BC Parks.
- Mount Cayley is in a glaciated volcanic complex - crampons and avalanche awareness are essential outside summer.
- This is active volcanic terrain with hot springs nearby; follow local signage and park regulations.
Best Time to Visit Mount Cayley#
Best visited in mid‑ to late summer for the safest glacier conditions and packable approaches; the area is remote and weather‑sensitive.
Weather & Climate near Mount Cayley#
Mount Cayley's climate is classified as Tundra - Tundra climate with cold summers (peaking in August) and freezing winters (coldest in December). Temperatures range from -12°C to 14°C. Abundant rainfall (1366 mm/year), wettest in November.
| Month | Comfort | Temp | Feels | Rain | Sky | Humidity | Wind | UV | Daylight |
|---|---|---|---|---|---|---|---|---|---|
| January | - | -12° - -3° | -12° | 169 mm | - | - | 2.5 m/s | - | - |
| February | - | -10° - -1° | -10° | 126 mm | - | - | 2.5 m/s | - | - |
| March | - | -9° - -1° | -9° | 112 mm | - | - | 2.2 m/s | - | - |
| April | - | -7° - 1° | -6° | 88 mm | - | - | 2.4 m/s | - | - |
| May | - | -3° - 6° | -1° | 85 mm | - | - | 2.2 m/s | - | - |
| June | - | 0° - 9° | 3° | 91 mm | - | - | 2.3 m/s | - | - |
| July | - | 2° - 13° | 6° | 70 mm | - | - | 2.1 m/s | - | - |
| August | - | 3° - 15° | 8° | 69 mm | - | - | 2.0 m/s | - | - |
| September | - | 1° - 11° | 4° | 70 mm | - | - | 2.2 m/s | - | - |
| October | - | -4° - 6° | -1° | 134 mm | - | - | 2.3 m/s | - | - |
| November | - | -9° - -1° | -9° | 184 mm | - | - | 2.4 m/s | - | - |
| December | - | -12° - -4° | -12° | 168 mm | - | - | 2.3 m/s | - | - |