Heffley Lake

MU 3-27, Thompson-Nicola
50.8317° N, 120.0667° W

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 9 September 2026. The lake's depth is not drawn on this map.

Surface area: 193.9ha
Maximum depth: 23.5m; 77 ft
Elevation: 940m

Long, clear mountain lake on the way to Sun Peaks Resort, perfect for float tubes, pontoon boats, and small trollers.

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

Trophy fish at Heffley Lake

Heffley Lake is known for trophy Rainbow trout to 8 lb.

Rainbow trout to 8 lb

Trophy sizes this lake is known for, not a typical catch. They are historical records from our own big fish list, with no date on file, not recent catches.

Heffley Lake at a glance

Region: Thompson-Nicola
Management unit: MU 3-27
Species: Rainbow Trout, Northern Pikeminnow (last recorded 1994), Largescale Sucker (last recorded 1994), Redside Shiner (last recorded 1994), Sucker (General) (last recorded 1957)The newest of these fish records is from 2026.Species from the province's fish observation records.
Lake size: Medium Lake (50 - 500 ha)
Ice fishing: Open to ice fishing, confirmed
Coordinates: 50.8317, -120.0667

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Gear for rainbow trout

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Fish on record at Heffley Lake

Species in the Province's fish observation records
Species	First recorded	Last recorded	Records
Rainbow Trout	1945	2026	85
Northern Pikeminnow	1950	1994	3
Largescale Sucker	1950	1994	2
Redside Shiner	1957	1994	2
Sucker (General)	1957	1957	1

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

How to fish Heffley Lake

Trolling flies with sinking lines along shoreline drop-offs, chironomids in western bay, dry fly in June/July.

Best times of year at Heffley Lake

May - July
September - October

Heffley Lake fishing regulations

On parts of the lake: No towing, speed restriction (15 km/h). Source: Province of British Columbia

Getting to Heffley Lake

Todd Mountain Road towards Sun Peaks. Public recreation boat launch and roadside access.

6.3 km of traced road to the campground by way of Heffley Lake Rec Site, Heffley-Louis Creek Rd and Sun Peaks Rd. The road at the end is a loose surface.

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: 50.8317, -120.0667

Camping and rec sites at Heffley Lake

Heffley Lake
To the shore
83 m

30 vehicle campsites (RSTBC REC1557)
Facilities: Toilets, Tables
Access: Heffley Lake Recreation Site is accessed via the road to the Sun Peaks Resort.
Coordinates: 50.837916, -120.038411
The site on Recreation Sites and Trails BC

Depth chart for Heffley Lake

23.5 mdeepest

Heffley Lake runs to 23.5 m (77 ft) at its deepest.

The Province sounded Heffley Lake and published the depth chart surveyed in 1979.

Depth chart (PDF)

The ice year at Heffley Lake, modelled

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

In the model Heffley Lake froze in 65 of the 65 winters since 1960. Freeze-up falls most years between 5 November and 18 November, and ice-off between 20 April and 5 May. The median winter freezes on 12 November and opens on 28 April.

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

Winter 2024-25 in the model: frozen from 15 November 2024 to 18 April 2025, 154 days.

Heffley Lake is open to ice fishing under the regulations on file.

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.

Heffley Lake climate, 1960 to 2025

Averaged over a year, the air above Heffley 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
3.9 Caverage year now
2.8 Caverage year then
-8 daysbelow freezing, change

Average year at Heffley Lakedegrees C, yearly mean

each yearthe trend across 1960 to 2025

Days below freezingdays a year averaging under 0 C

each yearthe trend across 1960 to 2025

This week at Heffley 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.

Day	Sky	High / low	Wind	Rain	Pressure
Tue 20 Oct	Clear sky	12° / 0°	11 km/h	dry	Steady
Wed 21 Oct	Overcast	17° / 3°	12 km/h, gusts 26	dry	Falling (-7.4 hPa)
Thu 22 Oct	Overcast	10° / 3°	7 km/h	dry	Falling (-1.2 hPa)
Fri 23 Oct	Overcast	8° / -1°	16 km/h, gusts 28	dry	Rising (+12.1 hPa)
Sat 24 Oct	Overcast	8° / -4°	7 km/h, gusts 13	dry	Rising (+7.2 hPa)
Sun 25 Oct	Mainly clear	6° / -5°	6 km/h	dry	Rising (+2.6 hPa)
Mon 26 Oct	Overcast	7° / -5°	7 km/h	dry	Falling (-1.5 hPa)

Open Heffley Lake in the app

Heffley Lake, in brief

What fish are in Heffley Lake?

Rainbow Trout. Species from the province's fish observation records.

Which management unit is Heffley Lake in?

Heffley Lake is in MU 3-27, in the Thompson-Nicola. The BC Freshwater Fishing Regulations Synopsis is organised by management unit; check it before you go.

Trout lakes near Heffley Lake

Heffley Lake (Parts Of) under 1 km away
Little Heffley Lake 3 km away
Andy Lake 5 km away
Hyas Lake 8 km away
Warren Lake 8 km away

All 342 lakes in the Thompson-Nicola, with today's conditions on each.