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3,058-acre lake in La Paz County, Arizona. The lake tops out around 50 ft. Bathymetry on this water is estimated from its real outline and maximum depth. Use it to shortlist water, then verify with your electronics — and never navigate by it. What follows comes from the same scoring engine that paints the spots above.
The chart traces 19.1 miles of shoreline here. The 3.4 development index tells the story — a convoluted bank whose fishable edge far outruns the acreage. Littoral water — the productive band under ~15 ft — makes up 53% of this chart, as modeled. The basin spans about 3.6 mi end to end and 1.4 mi across at its widest. It sits in La Paz County. Its nearest charted neighbour, Colorado River (Parker Strip), is 35 mi to the west.
Spring largemouth bass on Alamo Lake hold shallow, usually 2 to 10 ft. They move out to 8 to 20 ft in summer and finish the year down in 15 to 35 ft. Put Shallow bay flat first on the milk run — a weed flat near 6 ft that grades prime for spring. The feeding windows run early morning and the evening. The summer box starts with a texas-rigged 10" worm or a deep-diving crankbait.
| 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 | Main-lake point (13 ft) | Texas-rigged 10" worm, Deep-diving crankbait |
| Fall | 4 to 15 ft | midday & dawn | Main-lake point (13 ft) | Squarebill crankbait (shad), Spinnerbait |
| Winter | 15 to 35 ft | midday | Break off the point (23 ft) | Blade bait, Jigging spoon |
Spring channel catfish on Alamo Lake hold shallow, usually 3 to 12 ft. They move out to 8 to 25 ft in summer and finish the year down in 20 to 40 ft. Put Bill Williams River inflow first on the milk run — an inflow / creek mouth near 5 ft that grades prime for spring. The feeding windows run after dark and the evening.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 3 to 12 ft | dusk | Bill Williams River inflow (5 ft) | |
| Summer | 8 to 25 ft | night & dusk | Old creek channel (25 ft) | |
| Fall | 10 to 30 ft | dusk | Old creek channel (25 ft) | |
| Winter | 20 to 40 ft | midday | Old creek channel (25 ft) |
Early season crappie use the shallows, holding in 2 to 8 ft. Summer is a 10 to 25 ft game here, winter a 15 to 35 ft one. The chart's best answer is Old creek channel — creek channel, 25 ft, prime for summer. Best bite is 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 | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 2 to 8 ft | midday & dawn | Shallow bay flat (6 ft) | 1/16 oz jig + tube, Curly-tail grub |
| Summer | 10 to 25 ft | dawn & dusk | Old creek channel (25 ft) | Jig trolled/spider-rigged, Small crankbait (trolled) |
| Fall | 8 to 20 ft | dawn | Old creek channel (25 ft) | Jig + minnow combo, Small swimbait (1.5-2") |
| Winter | 15 to 35 ft | midday | Old creek channel (25 ft) | Tungsten jig + soft plastic, Tiny jigging spoon |
Early season bluegill use the shallows, holding in 1 to 6 ft. Expect a summer slide to 4 to 15 ft, then a winter hold in 10 to 25 ft. Put Shallow bay flat first on the milk run — a weed flat near 6 ft that grades prime for spring. In summer the feeding windows fall in early morning and the evening. Tie on a small sponge spider (fly) or a micro tube jig and you're in the game.
| 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 | Break off the point (23 ft) | Tiny spoon |
When the water first warms, common carp slide up into 2 to 10 ft. By summer they slide out to 3 to 15 ft, and by winter most fish are in 10 to 30 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.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 2 to 10 ft | midday & dawn | Shallow bay flat (6 ft) | |
| Summer | 3 to 15 ft | dawn & dusk | Shallow bay flat (6 ft) | |
| Fall | 5 to 18 ft | midday | Shallow bay flat (6 ft) | |
| Winter | 10 to 30 ft | midday | Old creek channel (25 ft) |
Early season tilapia use the shallows, holding in 1 to 6 ft. Summer is a 2 to 10 ft game here, winter a 5 to 18 ft one. The chart's best answer is Shallow bay flat — weed flat, 6 ft, prime for spring. Best bite is midday and early morning. Tie on a micro-jig near weed edges and you're in the game.
| 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 |
The chart marks 8 structure features on Alamo Lake; the deepest is Deep basin at about 43 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 Arizona waters are set by the Arizona Game & Fish Department — and special regulations can apply to Alamo Lake specifically, so confirm the current rules before you fish.
Check the official Arizona fishing regulations →
Alamo Lake is about 50 ft (15 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.
Anglers target largemouth bass, channel catfish, crappie, bluegill, common carp, tilapia on Alamo Lake.
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. Scroll up to the map for the complete spot list by 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 Alamo Lake is regulated by the Arizona Game & Fish Department. Check the official Arizona regulations for current license requirements, season dates, and size and bag limits — special regulations can apply to this specific water.
Colorado River (Parker Strip) 35 mi · Lake Havasu 56 mi, AZ/CA · Watson Lake 70 mi · Colorado River (below Davis Dam) 74 mi · Lake Pleasant 79 mi · Surprise Lake 82 mi · Colorado River (Palo Verde / Cibola) 84 mi · Gila River 85 mi · Pioneer Lake 91 mi · Verde River (Upper) 93 mi · Desert West Lake 96 mi · Sycamore Creek 99 mi
See how Alamo Lake stacks up: best largemouth bass lakes in Arizona · best tilapia lakes in Arizona · best crappie lakes in Arizona · best bluegill lakes in Arizona
Browse all Arizona 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.