Lakes in Mercer County, Ohio and Surrounding Areas   OTHER COUNTIES NEARBY Adams County Allen County        1. Cedarville Reservoir, Allen County        2. Lake Everett, Allen County Blackford County Delaware County        3. Phillips Lake, Delaware County Fayette County Grant County Hancock County Henry County        4. Westwood Park Reservoir, Henry County Huntington County        5. Clair Lake, Huntington County Jay County Noble County        6. Big Lake, Noble County        7. Diamond Lake, Noble County        8. Engle Lake, Noble County        9. Harper Lake, Noble County        10. Knapp Lake, Noble County        11. Silver Lake, Noble County        12. Upper Long Lake, Noble County        13. Wible Lake, Noble County Randolph County Rush County Union County Wayne County Wells County Whitley County        14. Brown Lake, Whitley County        15. Catfish Lake, Whitley County        16. Loon Lake, Whitley County        17. Old Lake, Whitley County        18. Robinson Lake, Whitley County Allen County Auglaize County        19. Grand Lake, Auglaize County Butler County Champaign County Clark County        20. Clark Lake, Clark County        21. Crystal Lake, Clark County Clinton County        22. Cowan Lake, Clinton County Darke County        23. Darke Company Lake Wildlife Area Pond, Darke County Defiance County        24. Camp Lakota Boy Scout Lake, Defiance County        25. Defiance Reservoir, Defiance County        26. Oxbow Lake, Defiance County Greene County Hancock County Hardin County Logan County        27. Black Lake, Logan County        28. Indian Lake, Logan County Miami County        29. Pauls Lake, Miami County        30. Swift Run Lake, Miami County Montgomery County        31. Taylorsville Reservoir, Montgomery County Paulding County Preble County Putnam County Shelby County        32. Lake Loramie, Shelby County Van Wert County Wood County Ohio Lakes