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Williamson Lake

MU 8-14, Okanagan
49.2953° N, 118.7917° W

Map of Williamson Lake: the shoreline from the BC Freshwater Atlas, the roads round it from the BC Digital Road Atlas, the traced road in and the recreation site.118°48.2′W118°48′W118°47.8′W118°47.5′W118°47.2′W49°17.8′NWilliamson LakeWilliamson Lake rec site2 campsites, 61 m to shore0100200 mNMap of Williamson Lake: the shoreline from the BC Freshwater Atlas, the roads round it from the BC Digital Road Atlas, the traced road in and the recreation site.118°47.8′W118°47.5′W118°47.2′W49°17.8′NWilliamson Lake rec site2 campsites, 61 m to shore0200 mN
WaterTraced road inRoadRough surface roadRec siteShoreline from the BC Freshwater Atlas, roads from the BC Digital Road Atlas, under the Open Government Licence, British Columbia. Rec site position from BC Recreation Sites and Trails, checked 11 September 2026. The lake's depth is not drawn on this map.
Surface area
36ha
Elevation
1,356m
Campsites
2
At Williamson Lake rec site

Open Williamson Lake in the appThe 7-day forecast, max depth and wildfire smoke check, on the lake's own coordinate.

Williamson Lake at a glance

Region
Okanagan
Management unit
MU 8-14
Species
Rainbow Trout, Lake Trout (last recorded 1909)The newest of these fish records is from 2025.Species from the province's fish observation records.
Lake size
Small Water (< 50 ha)
Ice fishing
No ice fishing closure on file
Coordinates
49.2953, -118.7917

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Fish on record at Williamson Lake

Species in the Province's fish observation records
SpeciesFirst recordedLast recordedRecords
Rainbow Trout1939202563
Lake Trout190919091

A year is when the Province last recorded the fish here, not a statement that it is caught today.

How to fish Williamson Lake

Best times of year at Williamson Lake

  • May - June
  • September - October

Williamson Lake fishing regulations

We have no lake specific regulations on file for Williamson Lake yet.

Getting to Williamson Lake

27.9 km of traced road to the campground by way of Sebastian FSR, E Kettle River FSR, Fiva Creek Rd and Christian Valley Rd. The road at the end is a rough surface.

The road route traced to Campground at Williamson Lake, 27.9 km.Start of the traceCampground5 km
The route traced over the BC Digital Road Atlas. A trace is a line on a map, not a report on the road: check conditions before you drive it.

Coordinates: 49.2953, -118.7917

Camping and rec sites at Williamson Lake

  • Williamson Lake
    Campsites
    2 designated
    To the shore
    61 m

    Access: Turn off Highway 33 onto Highway 43 (Christian Valley Road) at Westbridge. Reset odometer and follow Highway 43 for 7.5 km. Turn right onto Kettle River East road and go right at 6 KM, then continue to follow it to 10.5 KM. Turn right onto Sebastian Creek road for an additional 10.0 km, then take the right fork for 300 Meters (recommend walking from here) to find the very rough road to the lake.
    Coordinates: 49.298332, -118.792789

    The site on Recreation Sites and Trails BC

The ice year at Williamson Lake, modelled

Modelled from air temperature, not an ice report. It says nothing about whether ice will hold you.

In the model Williamson Lake froze in 65 of the 65 winters since 1960. Freeze-up falls most years between 26 October and 6 November, and ice-off between 11 May and 4 June. The median winter freezes on 31 October and opens on 22 May.

Modelled ice season at Williamson Lake: freeze-up most winters between 26 October and 6 November, ice-off between 11 May and 4 June.OctNovDecJanFebMarAprMayJunFreeze-upIce-offabout 202 days in the median winter

the middle half of modelled winters the median ice cover in the median winter

Winter 2024-25 in the model: frozen from 29 October 2024 to 7 May 2025, 190 days.

No ice fishing closure is recorded for Williamson Lake, so the general regional regulations apply.

Whether a lake is open to ice fishing says nothing about whether its ice will hold you. Ice conditions vary year to year and across a single lake. Check locally before going out, every time.

Williamson Lake climate, 1960 to 2025

Averaged over a year, the air above Williamson Lake is 1.2 C warmer than it was in the 1960s. That is 66 years of daily readings, not a forecast.

  • +1.2 Csince the 1960s
  • 5.4 Caverage year now
  • 4.2 Caverage year then
  • -8 daysbelow freezing, change
Average year at Williamson Lakedegrees C, yearly mean
2 C5 C8 C1960198020002020

each yearthe trend across 1960 to 2025

Days below freezingdays a year averaging under 0 C
721181641960198020002020

each yearthe trend across 1960 to 2025

This week at Williamson Lake

The forecast on this lake's own coordinate, refreshed through the day. The app reads these seven days for fishing and scores each one.

DaySkyHigh / lowWindRainPressure
Tue 20 OctOvercast12° / 0°14 km/h, gusts 19drySteady
Wed 21 OctOvercast15° / 5°14 km/h, gusts 20dryFalling (-4.7 hPa)
Thu 22 OctOvercast14° / 1°13 km/hdryFalling (-4.5 hPa)
Fri 23 OctOvercast8° / -3°20 km/h, gusts 36dryRising (+9.5 hPa)
Sat 24 OctOvercast8° / -4°10 km/hdryRising (+7.7 hPa)
Sun 25 OctOvercast8° / -2°10 km/h, gusts 19dryRising (+1.9 hPa)
Mon 26 OctOvercast8° / -5°7 km/hdryRising (+1.8 hPa)

Open Williamson Lake in the app

Williamson Lake, in brief

What fish are in Williamson Lake?

Rainbow Trout, Lake Trout (last recorded 1909). Species from the province's fish observation records.

Which management unit is Williamson Lake in?

Williamson Lake is in MU 8-14, in the Okanagan. The BC Freshwater Fishing Regulations Synopsis is organised by management unit; check it before you go.

Trout lakes near Williamson Lake

All 212 lakes in the Okanagan, with today's conditions on each.

Reading the water