The Across the Lake Swim Cultus Lake returns to Cultus Lake in British Columbia on September 13th, 2026. This event is nestled in the heart of the Fraser Valley and draws participants from across the region. The lake itself offers a picturesque setting with its clear waters and surrounding natural beauty. On race morning, expect the water temperature around 17.6°C, which feels like the same due to low humidity at just 79.7%. Participants can anticipate calm conditions with an average wind speed of 4.4 km/h, making for a comfortable swim environment. The course venue is located on the pristine shores of Cultus Lake, offering swimmers distances ranging from a modest 1.5km down to a challenging 3km. The Across the Lake Swim has been running since its inception and continues to grow in popularity with thousands of participants each year. This event supports local charities and scholarships, making it not just a swim but also a way for community members to contribute positively. Course conditions are ideal with clear water and gentle currents along the 1.5km, 3km, or 750m routes. Swimmers will start at the designated beach access point near the lake's main park entrance and navigate through calm waters towards the finish line also marked by a buoy in the same area. Participants can expect to feel the cool water as they swim under clear skies with just enough humidity to keep things comfortable but not stifling. The weather is expected to be mild throughout, with temperatures ranging from 13°C at dawn to a maximum of 22.1°C as the sun climbs higher in the sky. The Across the Lake Swim offers distances:
1.5km Swim 1km • Start: 08:00:00 • Fee: $80.72
3km 3km • Start: 08:00:00 • Fee: $99.03
750m Swim 750m • Start: 08:00:00 • Fee: $66.71
Register via https://raceroster.com/events/2026/110679/across-the-lake-swim-cultus-lake before the deadline to secure your spot at this beautiful event. Registrations open today and close on September 5th, 2026. Bib pick-up will be available from Cultus Lake Community Centre on race day morning starting at 8:30 am. Bring a photo ID for verification along with any necessary documentation such as medical clearance if required by the organizers. The swim starts at the beach access point located off Fraser Canyon Road, just north of Cultus Lake Provincial Park. This event is open to swimmers aged 14 and over; first-timers should prepare by showing up early and familiarizing themselves with the course layout beforehand for a safe and enjoyable experience. Across the Lake Swim Cultus Lake on September 13th, 2026, in British Columbia offers not only a challenging swim but also an opportunity to contribute to local causes. With its scenic setting and supportive community, this event is well worth attending for any open water enthusiast looking to test their skills while giving back.
Races Offered
1.5km Swim
Sep 13, 2026
straighten
Distance —
1km
terrain
Type —
Water sports
timer
08:00
sell
$80.72
3km
Sep 13, 2026
straighten
Distance —
3km
terrain
Type —
Water sports
timer
08:00
sell
$99.03
750m Swim
Sep 13, 2026
straighten
Distance —
750m
terrain
Type —
Water sports
timer
08:00
sell
$66.71
Weather History
These values represent the 3-year monthly averages for September in Cultus Lake.
thermostatTemperature
12.8° / 21.1°
wb_sunnyFeels like
12.4° / 21.2°
light_mode
Avg sunshine hours
8h 58m
water_drop
Avg rainfall
2.5 mm
ac_unit
Avg snowfall
—
air
Avg wind speed
4.4 km/h (Light breeze)
opacity
Sweat loss rate
Moderate
terrain
Course conditions
Firm and slightly soft
sunny
Max UV Index
Moderate (3.5)
humidity_mid
Humidity
79.7%
wb_twilight
Sunrise
06:45
nightlight
Sunset
19:18
About Cultus Lake
Learn more about the host city, Cultus Lake.
Cultus Lake is a lake, associated community and provincial park in the Fraser Valley region of British Columbia, Canada. It is the source of the Sweltzer River. Cultus Lake is located 11 kilometres (6.8 mi) south of the Chilliwack River, near the city of Chilliwack and approximately 80 kilometres (50 mi) east of Vancouver. In 1950, Cultus Lake became a provincial park of British Columbia. Cultus Lake covers an area of 656 hectares, evenly on either side of the lake. At one time the lake had a sawmill and booming ground until it became a provincial park in the 1950s.
