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Fishing Sands Timber Lake (Blockton Reservoir): what the data says
91-acre reservoir near Taylor County. Iowa DNR survey water. The lake tops out around 14 ft. The depth chart is built from real state fisheries GPS surveys, so the humps, channels and drop-offs you see are measured, not guessed. Here is how the season plays out for each species, straight from the data behind the map.
Largemouth Bass fishing at Sands Timber Lake (Blockton Reservoir)
In spring, largemouth bass run shallow here, mostly 2 to 10 ft. They move out to 4 to 14 ft in summer and finish the year down in 4 to 14 ft. If you only fish one area, make it Shallow bay flat: a weed flat around 3 ft that scores prime in spring. Best bite is early morning and the evening. Summer baits: a texas-rigged 10" worm or a deep-diving crankbait gets it done.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 2 to 10 ft | dawn & dusk | Spinnerbait, Chatterbait |
| Summer | 4 to 14 ft | dawn & dusk | Texas-rigged 10" worm, Deep-diving crankbait |
| Fall | 4 to 14 ft | midday & dawn | Squarebill crankbait (shad), Spinnerbait |
| Winter | 4 to 14 ft | midday | Blade bait, Jigging spoon |
Bluegill fishing at Sands Timber Lake (Blockton Reservoir)
Start shallow in spring: bluegill sit in 1 to 6 ft that time of year. By summer they slide out to 4 to 14 ft, and by winter most fish are in 4 to 14 ft. If you only fish one area, make it Shallow bay flat: a weed flat around 3 ft that scores prime in spring. In summer the feeding windows fall in early morning and the evening. Summer baits: a small sponge spider (fly) or a micro tube jig gets it done.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 1 to 6 ft | midday & dusk | 1/32 oz jig + micro plastic, Tiny popper (evenings) |
| Summer | 4 to 14 ft | dawn & dusk | Small sponge spider (fly), Micro tube jig |
| Fall | 4 to 14 ft | midday | Micro jig + waxworm, Small spoon tipped |
| Winter | 4 to 14 ft | midday | Tungsten ice jig + plastic, Tiny spoon |
Crappie fishing at Sands Timber Lake (Blockton Reservoir)
In spring, crappie run shallow here, mostly 2 to 8 ft. By summer they slide out to 4 to 14 ft, and by winter most fish are in 4 to 14 ft. Deep basin is the standout, a deep basin at roughly 13 ft, rated prime for winter crappie. In summer the feeding windows fall in early morning and the evening. Tie on a jig trolled/spider-rigged or a small crankbait (trolled) and you're in the game.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 2 to 8 ft | midday & dawn | 1/16 oz jig + tube, Curly-tail grub |
| Summer | 4 to 14 ft | dawn & dusk | Jig trolled/spider-rigged, Small crankbait (trolled) |
| Fall | 4 to 14 ft | dawn | Jig + minnow combo, Small swimbait (1.5-2") |
| Winter | 4 to 14 ft | midday | Tungsten jig + soft plastic, Tiny jigging spoon |
Yellow Perch fishing at Sands Timber Lake (Blockton Reservoir)
Start shallow in spring: yellow perch sit in 3 to 12 ft that time of year. They move out to 4 to 14 ft in summer and finish the year down in 4 to 14 ft. Shallow bay flat is the standout, a weed flat at roughly 3 ft, rated prime for spring yellow perch. In summer the feeding windows fall in early morning. Summer baits: a drop-shot micro plastics or a small spoon tipped with worm gets it done.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 3 to 12 ft | midday & dawn | Small jig + curly tail, Perch-pattern micro crank |
| Summer | 4 to 14 ft | dawn | Drop-shot micro plastics, Small spoon tipped with worm |
| Fall | 4 to 14 ft | midday | Jigging spoon (small), Perch rig / spreader |
| Winter | 4 to 14 ft | midday & dawn | Tungsten jig + spikes, Rattle spoon (small) |
Channel Catfish fishing at Sands Timber Lake (Blockton Reservoir)
Spring channel catfish on Sands Timber Lake (Blockton Reservoir) hold shallow, usually 3 to 12 ft. They move out to 4 to 14 ft in summer and finish the year down in 4 to 14 ft. If you only fish one area, make it Deep basin: a deep basin around 13 ft that scores prime in winter. Best bite is after dark and the evening.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 3 to 12 ft | dusk | |
| Summer | 4 to 14 ft | night & dusk | |
| Fall | 4 to 14 ft | dusk | |
| Winter | 4 to 14 ft | midday |
Notable structure
- Deep basin: deep basin, around 13 ft
- Secondary point: point, around 5 ft
- Shallow bay flat: weed flat, around 3 ft
- Break off the point: drop-off, around 3 ft
- Main-lake point: point, around 2 ft
Common questions
How deep is Sands Timber Lake (Blockton Reservoir)?
Sands Timber Lake (Blockton Reservoir) is about 14 ft at its deepest point. The depth chart here comes from real state fisheries GPS surveys, so the contours reflect measured depths.
What fish are in Sands Timber Lake (Blockton Reservoir)?
Anglers target largemouth bass, crappie, bluegill, channel catfish, yellow perch on Sands Timber Lake (Blockton Reservoir).
Where is the best fishing spot on Sands Timber Lake (Blockton Reservoir)?
Shallow bay flat is the top-rated area: a weed flat in about 3 ft of water that rates prime for largemouth bass in spring. Open the map above to see every rated spot for each species and season.
When is the best time to fish Sands Timber Lake (Blockton Reservoir)?
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.
Nearby waters
Lake of Three Fires · Wilson Park Lake · Fogle Lake S.W.A. · Loch Ayr · Mt. Ayr Old Reservoir · Windmill Lake
See how Sands Timber Lake (Blockton Reservoir) stacks up: best largemouth bass lakes in Iowa · best crappie lakes in Iowa · best bluegill lakes in Iowa · best channel catfish lakes in Iowa
Browse all Iowa fishing maps or every water on DepthScout. Bathymetry credit: state fisheries survey programs. How we build these maps. For fishing guidance only, never navigation.