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Rating depth structure for brook trout.
Shared by DepthScout anglers. Exact spots stay private, always.
96-acre lake near T5 R9 WELS. The lake tops out around 80 ft. The depth chart comes from published agency bathymetric survey data, so the contours are survey-derived rather than computer-modeled. Here is how the season plays out for each species, straight from the data behind the map.
Traced from the shoreline, Upper South Branch Pd runs 95 acres with 1.7 miles of edge. A shoreline index of 1.3 says round and simple: fish relate to depth changes here, not shoreline features. Roughly 9% of the water is 15 ft or less, the band where the food chain lives. End to end it runs roughly 0.7 mi, about 0.4 mi across. You'll find it in Piscataquis County. The nearest mapped water is Lower South Branch Pond, 1 mi to the north.
Start shallow in spring: brook trout sit in 2 to 15 ft that time of year. Summer pushes them deeper, 10 to 30 ft, and winter fish settle into 3 to 20 ft. The spot to know is Main-lake point, a point in about 11 ft of water that rates prime for brook trout in spring. Warm-month bites cluster around early morning and the evening. 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 | Main-lake point (11 ft) | Small inline spinner (gold), Tiny spoon |
| Summer | 10 to 30 ft | dawn & dusk | open water | Small spoon fished deep, Trolled lake-clear wobbler + worm |
| Fall | 2 to 15 ft | midday & dawn | Main-lake point (11 ft) | Small spoon (orange), Spinner |
| Winter | 3 to 20 ft | dawn | Shallow bay flat (2 ft) | Small jigging spoon, Tungsten jig + plastic |
Count 5 structure marks on this chart. The deepest, Deep basin, sits near 74 ft.
Season dates, license requirements, and size and bag limits for Maine waters are set by the Maine IFW — and special regulations can apply to Upper South Branch Pd specifically, so confirm the current rules before you fish.
Check the official Maine fishing regulations →
Upper South Branch Pd is about 80 ft (24 m) deep at its deepest point. The depth chart comes from published agency bathymetric survey data, so the contours are survey-derived rather than computer-modeled.
Anglers target brook trout on Upper South Branch Pd.
Main-lake point is the top-rated area: a point in about 11 ft of water that rates prime for brook trout in spring. Scroll up to the map for the complete spot list by species and season.
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.
Fishing on Upper South Branch Pd is regulated by the Maine IFW. Check the official Maine regulations for current license requirements, season dates, and size and bag limits — special regulations can apply to this specific water.
Lower South Branch Pond 1 mi · Middle Fowler Pond 3 mi · Lower Fowler Pond 3 mi · Pogy Pond 4 mi · Weed Pond 4 mi · Long Pond 4 mi · High Pond 4 mi · Little Wassataquoik Lk 5 mi · Wassataquoik Lake 6 mi · Six Ponds #4 6 mi · Six Ponds #3 6 mi · Deep Pond 6 mi
See how Upper South Branch Pd stacks up: best brook trout lakes in Maine
More water nearby: Piscataquis County fishing maps (191 charts). Browse all Maine fishing maps or see every water on DepthScout. Bathymetry: published agency survey data. 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.