Walroth Lake Depth Map & Fishing Spots (ON)

Skip to interactive depth chart

Lake depth chart

Walroth Lake, ON

Max 45 ft

Today's read

Where to start

Hopper & ant season (windward banks) window is on — see the hatch outlook

Hatch outlook

Hopper & ant season (windward banks)Active window

Typical here: Jul 1 – Sep 15 · hoppers peak July–August; winged-ant falls show up on warm humid afternoons — a wind event, not a hatch

adultwarm, breezy afternoons, roughly 1–5pm — slap the imitation down hard — the splat is the trigger — then wait; count to three after the rise before setting

Work the windward bank on breezy summer afternoons — that's where the food is. Casting-bubble-and-hopper is the direct translation; otherwise run small topwaters and inline spinners tight along the grass edges and blowdown banks in the afternoon warmth.

The event happens over windward grassy banks, overhanging brush and blowdowns — wherever the breeze dumps the bugs

Next on this water

Spring bug season (brook trout lakes) · forageApr 25 – Jun 30 · in ~8 months

Hex (giant mayfly) · mayflyMay 25 – Aug 10 · in ~9 months

Recommendations come from depth structure and seasonal species behavior. Treat them as a starting point, not a guarantee. Contours on this water are approximations. Never use for navigation. Always check local regulations.

Loading depth chart…

Recent catches at Walroth Lake

Shared by DepthScout anglers. Exact spots stay private, always.

No shared catches here yet — be the first.Log a catch from the map above and share it to put Walroth Lake on the board.

Fishing Walroth Lake: what the data says

14-acre lake in Sudbury District, Ontario. The lake tops out around 45 ft. The depth picture is modeled, anchored to the true shoreline and the water's published max depth — a scouting aid, never a chart to run a boat by. What follows comes from the same scoring engine that paints the spots above.

Traced from the shoreline, Walroth Lake runs 13 acres with 0.6 miles of edge. The basin is a simple one (shoreline index 1.1) — close to a bowl, so the structure on the chart matters more than the bank. Roughly 24% of the water is 15 ft or less as modeled, the band where the food chain lives. The water lies in Sudbury District. The nearest mapped water is Blackie's Lake, 1 mi to the south.

Brook Trout fishing at Walroth Lake

Start shallow in spring: brook trout sit in 2 to 15 ft that time of year. Warm water sends them out to 10 to 30 ft; cold water stacks them in 3 to 20 ft. Top water on the chart: Shoreline break, a drop-off in the 20 ft range, prime in summer. Fish it in early morning and the evening and you'll meet the bite. Throw a small spoon fished deep or a trolled lake-clear wobbler + worm until the fish tell you otherwise.

Season	Depth	Best window	Start at	Go-to baits
Spring	2 to 15 ft	dawn & dusk	Shallow bay flat (5 ft)	Small inline spinner (gold), Tiny spoon
Summer	10 to 30 ft	dawn & dusk	Shoreline break (20 ft)	Small spoon fished deep, Trolled lake-clear wobbler + worm
Fall	2 to 15 ft	midday & dawn	open water	Small spoon (orange), Spinner
Winter	3 to 20 ft	dawn	Shoreline break (20 ft)	Small jigging spoon, Tungsten jig + plastic

Notable structure

Count 4 structure marks on this chart. The deepest, Deep basin, sits near 38 ft.

Deep basin: deep basin, around 38 ft
Shoreline break: drop-off, around 20 ft
Shallow bay flat: weed flat, around 5 ft
Back-bay flat: weed flat, around 5 ft

Walroth Lake fishing regulations

Season dates, license requirements, and size and bag limits for Ontario waters are set by the Ontario fishing regulations (FMZ summary) — and special regulations can apply to Walroth Lake specifically, so confirm the current rules before you fish.

Check the official Ontario fishing regulations →

Common questions

How deep is Walroth Lake?

Walroth Lake is about 45 ft (14 m) deep at its deepest point. The contours here are modeled from the water's real shape and maximum depth, so treat them as a rough guide.

What fish are in Walroth Lake?

Anglers target brook trout on Walroth Lake.

Where is the best fishing spot on Walroth Lake?

Shoreline break is the top-rated area: a drop-off in about 20 ft of water that rates prime for brook trout in summer. The interactive chart above rates every spot for each species and season.

When is the best time to fish Walroth Lake?

For brook trout, the summer bite is best in early morning and the evening. Each species page section below lists the seasonal windows, and the map shows a live NOW badge when you're inside one.

What are the fishing regulations for Walroth Lake?

Fishing on Walroth Lake is regulated by the Ontario fishing regulations (FMZ summary). Check the official Ontario regulations for current license requirements, season dates, and size and bag limits — special regulations can apply to this specific water.

Nearby waters

Blackie's Lake 1 mi · Twin Lakes 1 mi · Barager's Lake 1 mi · Garibaldi L. 12 2 mi · Garibaldi L. 6 3 mi · Garibaldi L. 4 3 mi · Coyne Lake 3 mi · Hennessy Lake 5 mi · Duchabani Lake 6 mi · Nabakwasi Lake 6 mi · Lower Opikinimika Lake 7 mi · Shoepack Lake 9 mi

See how Walroth Lake stacks up: best brook trout lakes in Ontario

More water nearby: Sudbury District fishing maps (868 charts). Browse all Ontario fishing maps or see every water on DepthScout. How we build these maps. Fish here with a sonar unit that logs? Send us your depth data and we'll improve this chart, credited to you. For fishing guidance only, never navigation.