Fishing at Copan Lake, Washington County, Oklahoma

• Overview

  You will find Copan Lake in Washington County, Oklahoma. Elevation runs to 712 feet. This is big water, about 6.3 sq miles, and in a wind it behaves like a small sea. You have roughly 26 miles of edge to choose from, which rewards a scouting trip. Of the waters listed here in Washington County, this is the largest. Supplies mean a trip to Caney, 5.8 miles off. Beyond it, Dewey at 9.1 miles and Bartlesville at 13 miles. The county edge is within a short distance of the bank.

• Where to Fish on Copan Lake

  Our records hold no depth for this water. Look for where the old bank line still shows under the surface. Draw-down through summer strips the margins, so follow the water out. County-wide records name bluegill, green sunfish and Rio Grande longear sunfish. Those are county-wide records, so not every one of them will be in this water. The shape of Copan Lake decides where the fish sit.

• Seasonal Patterns

  The warmest month averages 81°F, the coldest about 33°F. Most months fish reasonably, given the right weather. It is not guaranteed even in a cold spell, so check yourself. Spring and autumn carry the year; summer squeezes it into the ends of the day. On Copan Lake the same rules apply, with local timing.

• Tackle & Baits

  Public data does not answer the access question here. No built facilities appear in mapping around this water. Largemouth respond to soft plastics tight to cover; go weedless where the growth is heavy. Rules differ from one water to the next round here. Fishing rules and camping rules are set separately here. Quarry Cove at 7 miles is the sensible second choice. Confirm before you fish Copan Lake.