The Field Journal
Rivers & Lakes · Stocked Stillwater

Larchwood Lake

A small, clear stillwater in the St. Mary River watershed, topped up with rainbow trout on a put-grow program that has run, on and off, since 1958.

Larchwood Lake is a small, clear stillwater south of Torrent Creek, in the rainbow trout country of the East Kootenay's St. Mary River watershed. At roughly 15 hectares (37 acres), it is one of the region's smaller stocked lakes, and one of its longest-running: the province has been topping it up with rainbow trout, on and off, since 1958.

The water

The lake's official waterbody identifier places it in the St. Mary River drainage. A 1961 provincial survey measured it at a maximum depth of 10.1 m and a mean depth of just 2.9 m, with Secchi-disk clarity to 4.9 m, deeper than the lake averages. In practice that means the water column is clear from top to bottom across most of the lake: there is little of the murky, stratified deep water that pushes fish out of casting range in summer, and shallow-water tactics stay productive for more of the season than on a deeper, greener lake.

Stocking

For an angler judging whether the fishing is worth the drive, the stocking record is the fishing report. Larchwood Lake carries a put-grow rainbow trout program: 69 recorded releases between 1958 and 2026, totalling more than 220,000 fish, entirely rainbow trout. The modern pattern (2016 onward) is a steady 500 Pennask-strain yearlings every spring, occasionally topped up with a batch of already-grown Fraser Valley "spring catchable" rainbow (2023 and 2025) for anglers who want fish in hand sooner rather than fish that need a season to grow into the net.

Stocking record

Larchwood Lake — 222,371 fish stocked, 1958–2026

Rainbow Trout. Source: Province of BC — FIDQ / FISS Fish Releases via the Freshwater Fisheries Society of BC.

YearRainbow Trout
2026500
20251,000
2024500
2023750
2022500
2021500
2020500
2019500
2018500
2017500
2016500
20151,000
20141,000
20131,500
20121,500
20111,500
20101,500
20091,500
20081,500
20071,500
20061,500
20052,000
20043,000
20033,000
20023,000
20013,000
20003,000
19993,000
19983,000
19973,000
19963,000
19953,000
19943,000
19933,000
19923,000
19913,000
19903,000
19872,000
19862,000
19852,000
19842,000
19837,000
19827,000
19814,000
19805,000
19794,000
19784,000
19774,000
19765,000
19755,000
19745,000
19735,000
19725,000
19714,000
19706,000
19694,000
19684,000
19667,040
19647,975
196319,040
196222,266
19614,800
19603,000
19585,000

The fishing

A shallow, clear, put-grow lake like this fishes on classic small-stillwater lines: chironomids under an indicator over the shoals, and leech patterns worked slowly along any drop-off, are the standard starting point for rainbow holding over Chironomids (Midges) and Leeches, the everyday forage of small BC put-grow lakes. Because the whole lake sits within the clarity band the 1961 survey recorded, there is no obvious need to fish deep water that the fish can't be seen in; work the shallower structure first and confirm current local reports before committing a day.

waves
Stocked stillwater
St. Mary River watershed
water
max 10.1 m, mean 2.9 m
1961 provincial lake survey
egg
Put-grow rainbow
~500 Pennask yearlings a spring

Conditions

  • Depth: max 10.1 m, mean 2.9 m (BC lake survey, 1961-08-16).
  • Clarity: Secchi disk to 4.9 m, well below the lake's average depth, a genuinely clear water column.
  • Size: roughly 15 ha (37 ac), among the smaller stocked lakes in the region.

Access and the rules

Larchwood Lake sits south of Torrent Creek in the Rocky Mountain Trench portion of the East Kootenay. Launch, road and parking details are not yet confirmed; check locally before hauling a boat in, and be ready to fish it as a shore or small-craft water given its size.

gavel

Before you fish

No water-specific exception is listed for Larchwood Lake, so the Region 4 regional defaults apply: trout/char daily quota 5 (no more than 1 rainbow or cutthroat over 50 cm, only 1 bull trout of any size), and a freshwater licence is required for anglers 16 and over. Confirm the current rules in the official synopsis: gov.bc.ca fishing regulations.