O.H. Ivie Reservoir Bass Fishing

The Fishery at a Glance

O.H. Ivie Reservoir doesn't look like a trophy bass lake at first. The surrounding landscape is scrubby mesquite, caliche roads, and a relentless west Texas wind that makes boat control a constant negotiation. The reservoir itself sits at roughly 1,900 ft elevation in a semi-arid basin, and the shoreline varies from steep rocky bluffs on the main Colorado River arm to flatter, timbered flats on the Concho River tributary. Water levels swing dramatically — multi-year droughts have pulled the lake down 20 or more feet, and big inflow years push it back up — which constantly reshuffles where the productive structure lies relative to the bank.

What doesn't change is the fish quality. O.H. Ivie holds a healthy population of Florida-strain largemouth, the same genetics responsible for the 10-plus-pound fish that put Texas on the bass-fishing map in the 1980s and 1990s. The forage base — predominantly threadfin shad — is robust enough to grow fish fast. Combine that with limited pressure (the lake's distance from any major metro keeps weekend traffic manageable) and the result is a reservoir where 6–8 lb fish feel routine and genuine double-digit bass remain a realistic, if not common, outcome.

The structure mix rewards anglers who read a contour map. Main river channel swings in 20–35 ft of water hold fish year-round. Secondary points where rock transitions to softer bottom serve as seasonal staging areas. Submerged timber in the Concho arm pockets — particularly visible on a contour chip during low-water periods — acts as a magnet during the pre-spawn and fall movement windows. Rocky bluffs on the northern bank create steep-breaking shad traps in autumn.

The Calendar Year on Ivie

January and February bring the clearest water of the year and the slowest bite, but it's arguably when the biggest individual fish are most vulnerable. Florida-strain largemouth in cold, clear water will suspend in 15–25 ft over main channel structure and ignore most power presentations. A Megabass Vision 110 +1 on 10 lb Seaguar InvizX fluorocarbon, cast long and worked with 12–18 second pauses, is the kind of slow, painful approach that pays. Shakey head rigs with a 5" Zoom Trick Worm in green pumpkin or oxblood red will draw strikes from bottom-hugging fish on channel edges.

March through May is the premier season. As water temperatures climb past 58°F — often in mid-to-late March at this latitude — fish begin staging on secondary points and moving into spawning flats. The Concho arm's timber pockets and the gentler-sloped coves off the main Colorado channel are reliable staging areas. Big swimbaits — a 6-inch Keitech Swing Impact Fat on a 1 oz swimbait head, or a Bull Shad-style glide bait around the 6–7 inch range — have produced some of Ivie's most remarkable pre-spawn fish. Spawning beds appear on shallow gravel and sand pockets in April, and a 4" Senko wacky-rigged or a 3/8 oz Texas-rigged Zoom Baby Brush Hog near visible beds will account for numbers of quality fish.

June through August demands a depth adjustment. Thermoclines establish in the 20–28 ft range, and the big Florida fish drop off into cooler water along the creek channel breaks. A 3/4 oz green pumpkin Strike King Tour Grade football jig dragged across hard-bottom structure at 22–28 ft is a proven summer pattern here. Drop shots with finesse plastics cover suspended fish that show on electronics but won't commit to a jig. The flats largely go quiet during midday; schooling fish push bait to the surface near rocky points in the early morning and at dusk, and a fast-walked Heddon Super Spook or Strike King KVD Splash works those windows well.

September and October trigger one of the more exciting stretches on the calendar. Cooling water pulls bass shallow again, and the shad — also moving in response to temperature — concentrate near the upper river arms and on secondary points. Local guides report consistent schooling activity on the surface from mid-September through late October. November and early December offer a brief second pre-winter flurry before the water cools back into jerkbait and shakey-head territory.

Gear and Technique Specifics

The wind at O.H. Ivie argues for heavier-than-usual gear. A 7'2" medium-heavy casting rod paired with a 7.5:1 Shimano Metanium or comparable reel handles both football jig work and swimbait duties adequately. For drop shot and shakey head presentations on the channel breaks, a 7' medium spinning rod with 8 lb Seaguar AbrazX fluorocarbon is the right call — the fluorocarbon matters here because water clarity in non-runoff periods can push past 4 ft of visibility, and clear line will cost bites on finesse presentations.

The swimbait bite warrants a dedicated outfit: a 7'6" heavy casting rod, 17 lb fluorocarbon, and a higher-quality reel with a smooth drag for big-fish runs. Glide baits and larger paddle-tails account for a disproportionate share of Ivie's 9-plus-pound fish, and the rod needs enough spine to move a hook through the jaw of a Florida-strain fish at depth.

For flipping submerged timber in the Concho arm, a 1/2 oz black/blue Strike King Hack Attack jig with a Rage Craw trailer on 50 lb Sufix 832 braid is the configuration that handles the cover. Pegging the weight is unnecessary on most timber work — a free-sliding 3/4 oz tungsten on a Texas rig with a Zoom Z-Craw gives better feel around wood.

What Most Anglers Miss at O.H. Ivie

The conventional read on Ivie is simple: giant bass lake, throw a big swimbait, eat sandwiches, catch a 10-pounder. That narrative brings anglers in with the wrong expectations and sends them home convinced the fishery is "off." The reality is that the big swimbait bite is genuine but narrow — it's most productive during pre-spawn staging in February and March, and again during the fall baitfish migration. The rest of the year, Ivie is a structure-fishing exercise that rewards electronics reading and bottom-contact presentations over trophy hunting with oversized search baits.

The other thing many visiting anglers underestimate is the lake's sensitivity to water level. When Ivie is drawn down significantly — which happens with some regularity in drought cycles — the productive structural zones shift entirely. Points that were mid-lake staging areas at full pool become bankside rubble, while previously inaccessible submerged timber pockets come into play. Local fishing reports and current lake level data (TCEQ and LCRA track Colorado River reservoirs) are worth consulting before committing to a game plan. Showing up with a map printed at 100% pool and fishing it blind is the single biggest mistake at this reservoir.

Florida-strain largemouth are also, biologically, more temperature-sensitive than northern-strain fish at the low end of the range. Winter fronts that push surface temps below 50°F put these fish into a near-dormant state faster than comparable conditions would on a TVA impoundment. The fish don't leave their structure, but presentations need to slow down significantly — not "slower," but genuinely patient. A 15-second pause on a jerkbait at Ivie in January isn't dramatic; it's table stakes.

Anglers willing to put in the drive to Coleman County and treat Ivie like the nuanced, structure-oriented fishery it is — rather than a big-bait lottery — will find one of the most rewarding trophy largemouth waters left in the state of Texas. Verify current slot and bag limits with Texas Parks and Wildlife before launching, as regulations on quality waters like this can shift.

Year-Round Patterns

Go-To Presentations

Common Questions