What to Expect at Deep Quarry Lake

Deep Quarry Lake is a small impoundment in Pope County in southern Illinois, formed in a flooded limestone quarry. The lake covers roughly 40 acres and holds largemouth bass, bluegill, and channel catfish. The water is clear to moderately clear depending on recent rainfall, and the bottom is rocky in many areas — a legacy of its quarry origins. The lake sits in a rural setting with limited development, making it quieter than many Illinois public waters.

This is not a destination lake for trophy hunting, but rather a solid option for a half-day outing if you are in Pope County or passing through southern Illinois. Access is straightforward, regulations are standard Illinois rules, and the fish populations are stable. The quarry setting means steep banks in places and shallow, weedy areas in others, so your approach to structure matters more than it does on a typical lake.

Key Takeaways

  • Deep Quarry Lake holds largemouth bass and panfish in roughly 40 acres of clear to moderately clear water formed in a flooded limestone quarry.
  • Public access is available at a small boat ramp and parking area on the north side of the lake; no permit is required.
  • Largemouth bass fishing is best in spring and fall when fish move into shallower water; summer heat pushes them deeper.
  • Illinois fishing license and species-specific regulations apply; check the current Illinois Department of Natural Resources digest before you fish.
  • The lake is most productive early and late in the day, and rocky structure and weed beds hold fish year-round.

Access and Parking

Deep Quarry Lake has one public access point: a small boat ramp and parking area on the north shore. The ramp is gravel and suitable for small to medium boats and canoes. Parking is limited to roughly a dozen spaces, so arrive early on weekends if you plan to launch a boat. The area is maintained but basic — no restrooms, no concessions, and no overnight camping.

The lake is located in Pope County near the community of Herod. From Illinois Route 146, follow local roads to the access area; a GPS coordinate or county map is helpful because signage is minimal. The drive from Harrisburg (the nearest town with services) is roughly 20 minutes. Cell service can be spotty in this part of southern Illinois, so download offline maps if you rely on navigation.

Fish Species and Seasonal Patterns

Largemouth bass are the primary target. They respond well to topwater lures and soft plastics in spring (March through May) and fall (September through November) when they hunt in shallow water and around structure. Summer heat pushes bass deeper, typically to 15 to 25 feet near rocky ledges and drop-offs — the quarry's steep banks create these features naturally. Winter fishing is slow but possible; bass move to the deepest holes and feed sporadically.

Bluegill and other panfish are abundant and bite consistently throughout the year. They congregate around weed beds and fallen timber in spring and early summer, then move to deeper water as the lake warms. Panfish are most reliable in early morning and late evening. Small jigs, live crickets, and ultralight spinners all work. Channel catfish are present but less commonly targeted; they feed best at night on cut bait or chicken liver.

Tackle and Techniques

For largemouth bass, bring a medium-power spinning or baitcasting rod with 10- to 15-pound monofilament or braided line. Topwater plugs, crankbaits, and soft plastic worms all produce, especially around the rocky banks and any visible structure. The quarry's clear water means fish can see your lure from a distance, so lighter line and smaller baits often outperform heavy tackle. Early morning and late evening are most productive; midday fishing is slower.

For panfish, a light spinning rod with 4- to 8-pound line and small jigs (1/32 to 1/16 ounce) or live bait rigs will catch bluegill and other sunfish. Weed beds hold fish, but be prepared to work around vegetation without snagging. A small net makes landing panfish easier and faster. If you plan to keep fish for a meal, panfish are excellent table fare and abundant enough that harvest does not stress the population.

Regulations and Licensing

You must have a valid Illinois fishing license to fish Deep Quarry Lake. Licenses are sold online through the Illinois Department of Natural Resources website, at sporting goods stores, and at some bait shops. A one-day license is available if you do not want a full-year permit. Nonresidents pay a higher fee than residents; check the current rates on the IDNR website.

Bass have a 12-inch minimum length limit and a daily bag limit of five fish. Panfish (bluegill, sunfish, crappie) have no minimum size and a daily bag limit of 50 fish in aggregate. Channel catfish have no minimum size and a daily bag limit of 25 fish. These limits change periodically, so review the current Illinois fishing digest before you go. The digest is free and available online; print a copy or save it to your phone.

Best Times to Fish

Spring (March through May) is the most productive season. Bass move into shallow water to spawn and feed aggressively. Water temperatures range from the 50s to the low 70s, and both largemouth and panfish bite well throughout the day. Fall (September through November) is nearly as good; cooling water triggers feeding activity, and the lake is less crowded than in spring.

Summer (June through August) is slower for bass but still productive for panfish. Early morning and late evening are essential; midday heat pushes bass deep and slows feeding. Winter (December through February) is the slowest season, but patient anglers can catch bass and catfish by fishing deep structure and slow-moving baits. Many local anglers take a break during winter and return in spring.

What to Bring and What to Know

Bring sunscreen, a hat, and plenty of water — the lake offers no shade in many areas, and southern Illinois sun is intense. A small cooler with ice keeps fish fresh if you plan to keep your catch. Wear polarized sunglasses to spot structure and fish in the clear water. A depth finder is useful if you have a boat, but not essential for shore fishing or small boats.

The quarry setting means water temperature can vary by depth more than on a natural lake. Rocky banks can be slippery when wet, so wear shoes with good grip. The lake is quiet and rarely crowded, which is part of its appeal — but it also means help is not nearby if something goes wrong. Tell someone where you are going and when you expect to return. Cell service is unreliable, so do not count on it in an emergency.

Frequently Asked Questions

Can I fish from shore at Deep Quarry Lake?

Yes. The north shore near the access area has some open bank space, though a boat gives you access to more water and structure. Shore fishing is best for panfish in the shallows; bass are more spread out and harder to reach without a boat.

Is there a bait shop near Deep Quarry Lake?

Not directly at the lake. The nearest towns with bait and tackle shops are Harrisburg and Vienna, both roughly 20 to 30 minutes away. Bring your own tackle and bait, or plan to stop in town before you arrive at the lake.

What is the water temperature like in summer?

Summer water temperatures typically reach the mid-80s by July and August. The clear water and quarry depth mean some cooler pockets exist below 20 feet, where bass retreat during the hottest part of the day. Early morning and evening fishing is much more productive than midday.

Can I keep fish from Deep Quarry Lake?

Yes, within the daily bag limits set by Illinois. Panfish are excellent eating and abundant. Bass must meet the 12-inch minimum length. Check the current regulations before you fish to confirm limits have not changed.

How deep is Deep Quarry Lake?

The lake reaches roughly 50 to 60 feet in the deepest areas, a result of its quarry origin. Most of the lake is shallower, with depths of 10 to 25 feet common. The steep banks mean you can move from shallow to deep water quickly, which concentrates fish in transition zones.