Triadelphia Reservoir fishing: Northern Pike, Walleye, White Crappie

Target species: Northern Pike, Walleye, White Crappie
Boat: 4 ramps and launches on file for this water.
Start here: Launch at Big Branch Recreation Area at Triadelphia Lake, 1 lane.

The reservoir

Triadelphia Reservoir covers 833 acres in Maryland, across 2 counties: Howard and Montgomery. It is a reservoir: 93.4% of it is 45 feet deep or less; the deepest point measured is 63.6 feet (19.4 m). Our records hold 6 species for this water.

Triadelphia lake.jpg
Docku (talk) · CC BY-SA 3.0

Depth: down to 63.6 ft at the deepest measured point

Deepest measured point: 63.6 ft (19.4 m). 93.4% of the water is 45 feet or shallower. We hold 53 depth contours for this water, drawn from 178,020 soundings.

  • 0–5 ft: 7.8% of the water
  • 5–10 ft: 14.2% of the water
  • 10–15 ft: 14.9% of the water
  • 15–20 ft: 12.3% of the water
  • 20–25 ft: 8.9% of the water
  • 25–30 ft: 8.5% of the water
  • 30–35 ft: 8.8% of the water
  • 35–40 ft: 10.1% of the water
  • 40–45 ft: 7.9% of the water
  • 45–50 ft: 5.6% of the water
  • 50–55 ft: 1% of the water

3 target fish, led by Northern Pike

  • Northern Pike — Feeding water: 50–75°F.
  • Walleye — Feeding water: 50–75°F.
  • White Crappie — Feeding water: 65–75°F.

Also recorded here: Brown Trout, Common Carp, Goldfish.

4 ramps and launches on this water

On this water we hold 4 trailer ramps.

  • Big Branch Recreation Area at Triadelphia Lake — 1 lane. Brighton Dam Visitor's Center. 14801 Triadelphia Mill Rd., Dayton, MD 21036 · phone 301-206-4386 (4FUN) · website wsscwater.com/watershedmaps
  • Greenbridge Recreation Area — 1 lane. Brighton Dam Visitor's Center. 2800 Greenbridge Rd. Brookeville, MD 20833 · phone 301-206-4386 (4FUN) · website wsscwater.com/watershed
  • Pig Tail Recreation Area at Triadelphia Reservoir Lake — 1 lane. Brighton Dam Visitor's Center. 5600 Green Bridge Rd., Dayton, MD 21036 · phone 301-206-7486 (4FUN) · website wsscwater.com/watershed
  • Triadelphia Recreation Area — 1 lane, restrooms. Brighton Dam Visitor's Center. 2600 Triadelphia Lake Rd., Brookeville, MD 20833 · phone 301-206-4386 (4FUN) · website wsscwater.com/watershed

Fee and opening hours are blank for all 4 places in this list: a blank means we hold no such field, not that it is free or always open, and this list may not be complete.

What is hard here

Only 4 public ramps are on file, so the launch decides where you fish.

Where this data comes from

  • Maryland Geological Survey — Maryland Geological Survey: depth soundings: class A, a survey of the bottom.
  • USGS RESSED — USGS RESSED reservoir sedimentation database: class B, a depth figure measured and published by an agency, without a bottom map.
  • Webster, K.E., McCullough, I.M., Soranno, P.A. LAGOS-US DEPTH v1.0, EDI, doi:10.6073/pasta/64ddc4d04661d9aef4bd702dc5d8984f (CC BY 4.0); Cheruvelil et al. LAGOS-US LOCUS v1.0 (EDI) — LAGOS-US DEPTH v1.0: Lake depth for 17,675 lakes in the conterminous U.S.: class B, a depth figure measured and published by an agency, without a bottom map.