Driving from Louisville to a lake worth swimming in

Freeman Lake in Hardin County, Kentucky. It grades B and the drive is 57 min, or 45.2 road miles. The closest graded lake of any kind is Long Run Lake at 39 min, and it grades C.

18 min each way. Long Run Lake is 39 min out and grades C; Freeman Lake is 57 min out and grades B.

32 of the 41 lakes here have a public access point on the record, and the closest is Long Run Lake, 39 min away, grading C. The rest of the table shows "Not recorded" where no access point was documented, which is not the same as no access — check with the managing agency before you trailer a boat.

By road, from downtown Louisville to the nearest public road at each lake, over the OpenStreetMap road network. They are free-flow times: no traffic, no time of day, no stops. Treat them as the floor, and add for rush hour and for the last stretch to the water.

No. The letter summarises years of phosphorus, nitrogen, algae and turbidity measurements — it describes the lake, not this afternoon. A beach closure, a bloom, or a heavy rain can change conditions on an A lake overnight. Check the lake's own page for its measurement record, and check the managing agency for current advisories before you get in.