Lake depth chart
Today's read
Rating depth structure for largemouth bass.
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440-acre reservoir near Ponce. A deep flood-control and water-supply reservoir above Ponce on the Río Cerrillos, noted for big peacock bass alongside largemouth, tilapia and catfish. The lake tops out around 213 ft. The depth chart comes from U.S. Geological Survey bathymetric survey data, so the contours are survey-derived rather than computer-modeled. The rest of this page walks each species through its year, using the map's own scoring.
The outline encloses 351 acres, worked by 10.5 miles of shoreline. An index of 4 puts the bank firmly in maze territory: point after pocket after cove, every one a casting target. Littoral water — the productive band under ~15 ft — makes up 22% of this chart. Tip to tip the water measures near 2.3 mi with a 1-mi widest point. Ponce County claims this one. Its nearest charted neighbour, Lago Guayabal, is 5 mi to the east.
When the water first warms, largemouth bass slide up into 2 to 10 ft. By summer they slide out to 8 to 20 ft, and by winter most fish are in 15 to 35 ft. If you only fish one area, make it Shallow bay flat: a weed flat around 6 ft that scores prime in spring. In summer the feeding windows fall in early morning and the evening. Keep a texas-rigged 10" worm or a deep-diving crankbait rigged through the warm months.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 2 to 10 ft | dawn & dusk | Shallow bay flat (6 ft) | Spinnerbait, Chatterbait |
| Summer | 8 to 20 ft | dawn & dusk | Shallow bay flat (6 ft) | Texas-rigged 10" worm, Deep-diving crankbait |
| Fall | 4 to 15 ft | midday & dawn | Main-lake point (2 ft) | Squarebill crankbait (shad), Spinnerbait |
| Winter | 15 to 35 ft | midday | Break off the point (81 ft) | Blade bait, Jigging spoon |
Spring peacock bass (tucunaré) on Lago Cerrillos hold shallow, usually 2 to 12 ft. By summer they slide out to 3 to 15 ft, and by winter most fish are in 6 to 22 ft. The chart's best answer is Main-lake point — point, 2 ft, prime for spring. Prime time lands in midday and early morning. The summer box starts with a topwater (walking bait) or a jerkbait.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 2 to 12 ft | midday & dawn | Main-lake point (2 ft) | Topwater prop bait, Jerkbait (fire tiger) |
| Summer | 3 to 15 ft | midday & dawn | Main-lake point (2 ft) | Topwater (walking bait), Jerkbait |
| Fall | 3 to 15 ft | midday & dawn | Main-lake point (2 ft) | Jerkbait, Swimbait |
| Winter | 6 to 22 ft | midday | Main-lake point (2 ft) | Slow jerkbait, Jig |
Come spring, look for tilapia tight to the bank in 1 to 6 ft. Expect a summer slide to 2 to 10 ft, then a winter hold in 5 to 18 ft. Start at Shallow bay flat. It's a weed flat holding about 6 ft of water and rates prime come spring. Prime time lands in midday and early morning. A micro-jig near weed edges is the honest summer answer here.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 1 to 6 ft | midday & dusk | Shallow bay flat (6 ft) | Tiny jig + bread-ball tip, Small worm under float |
| Summer | 2 to 10 ft | midday & dawn | Shallow bay flat (6 ft) | Micro-jig near weed edges |
| Fall | 3 to 12 ft | midday | Shallow bay flat (6 ft) | Small jig tipped with worm |
| Winter | 5 to 18 ft | midday | Shallow bay flat (6 ft) | Slow micro-jig, warm outflows |
When the water first warms, channel catfish slide up into 3 to 12 ft. By summer they slide out to 8 to 25 ft, and by winter most fish are in 20 to 40 ft. If you only fish one area, make it Shallow bay flat: a weed flat around 6 ft that scores good in spring. In summer the feeding windows fall in after dark and the evening.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 3 to 12 ft | dusk | Shallow bay flat (6 ft) | |
| Summer | 8 to 25 ft | night & dusk | open water | |
| Fall | 10 to 30 ft | dusk | Deep basin (213 ft) | |
| Winter | 20 to 40 ft | midday | Deep basin (213 ft) |
When the water first warms, bluegill slide up into 1 to 6 ft. Summer is a 4 to 15 ft game here, winter a 10 to 25 ft one. Start at Shallow bay flat. It's a weed flat holding about 6 ft of water and rates prime come spring. The feeding windows run early morning and the evening. Keep a small sponge spider (fly) or a micro tube jig rigged through the warm months.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 1 to 6 ft | midday & dusk | Shallow bay flat (6 ft) | 1/32 oz jig + micro plastic, Tiny popper (evenings) |
| Summer | 4 to 15 ft | dawn & dusk | Shallow bay flat (6 ft) | Small sponge spider (fly), Micro tube jig |
| Fall | 6 to 18 ft | midday | Shallow bay flat (6 ft) | Micro jig + waxworm, Small spoon tipped |
| Winter | 10 to 25 ft | midday | Deep basin (213 ft) | Tiny spoon |
The chart marks 8 structure features on Lago Cerrillos; the deepest is Deep basin at about 213 ft.
Access data: OpenStreetMap contributors (ODbL) — community-mapped launches. Confirm conditions and fees locally before you launch.
Season dates, license requirements, and size and bag limits for Puerto Rico waters are set by the Puerto Rico DRNA — and special regulations can apply to Lago Cerrillos specifically, so confirm the current rules before you fish.
Check the official Puerto Rico fishing regulations →
Lago Cerrillos is about 213 ft (65 m) deep at its deepest point. The depth chart comes from U.S. Geological Survey bathymetric survey data, so the contours are survey-derived rather than computer-modeled.
Anglers target largemouth bass, peacock bass (tucunaré), tilapia, channel catfish, bluegill on Lago Cerrillos.
Shallow bay flat is the top-rated area: a weed flat in about 6 ft of water that rates prime for largemouth bass in spring. The map above holds the full rated-spot list for every species and season.
For largemouth bass, 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 Lago Cerrillos is regulated by the Puerto Rico DRNA. Check the official Puerto Rico regulations for current license requirements, season dates, and size and bag limits — special regulations can apply to this specific water.
Lago Guayabal 5 mi · Lago Toa Vaca 7 mi · Bahía de Ponce 9 mi · Caleta de Cabullones 9 mi · Lago de Matrullas 10 mi · Bahía Tallaboa 12 mi · Lago Caonillas 13 mi · Bahía de Guayanilla 14 mi · Lago Dos Bocas 17 mi · Lago Lucchetti 19 mi · Bahía de Rincón 19 mi · Bahía de Ballena 20 mi
See how Lago Cerrillos stacks up: best largemouth bass lakes in Puerto Rico · best peacock bass (tucunaré) lakes in Puerto Rico · best tilapia lakes in Puerto Rico · best bluegill lakes in Puerto Rico
Browse all Puerto Rico fishing maps or see every water on DepthScout. Bathymetry credit: U.S. Geological Survey. 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.