Lakes / Ohio / Deepest Natural Lakes in Ohio

Deepest Natural Lakes in Ohio

Ranked by maximum depth, from Ohio DNR lake data. Only natural lakes are ranked - reservoirs and flowages are excluded.

#	Lake	County	Surface Area	Max Depth
1	McKarns Lake	Williams	40 acres	75 ft
2	Portage Lakes	Summit	474 acres	60 ft
3	Punderson Lake	Geauga	80 acres	55 ft
4	Wolf Run Lake	Noble	208 acres	51 ft
5	Barton Lake	Williams	19 acres	42 ft
6	Leesville Lake	Carroll	1,012 acres	40 ft
7	Hargus Creek Lake	Pickaway	143 acres	40 ft
8	Lake La Su An	Williams	79 acres	40 ft
9	Lake Snowden	Athens	143 acres	39 ft
10	Belmont Lake	Belmont	109 acres	39 ft
11	Dow Lake	Athens	161 acres	36 ft
12	Clendening Lake	Harrison	1,732 acres	35 ft
13	Cowan Lake	Clinton	695 acres	35 ft
14	Long Lake	Summit	224 acres	35 ft
15	Lake Milton	Mahoning	1,695 acres	33 ft
16	Atwood Lake	Carroll	1,564 acres	33 ft
17	Monroe Lake	Monroe	39 acres	33 ft
18	Dillon Lake	Muskingum	1,279 acres	30 ft
19	Delaware Lake	Delaware	1,215 acres	30 ft
20	Nimisila Lake	Summit	743 acres	30 ft
21	Acton Lake	Preble	592 acres	30 ft
22	North Lake	Summit	164 acres	30 ft
23	Antrim Lake	Franklin	43 acres	30 ft
24	Ohio Power Company Pond Mum-91	Morgan	34 acres	30 ft
25	Turkey Creek Lake	Scioto	50 acres	28 ft
26	Charles Mill Lake	Ashland	1,347 acres	27 ft
27	Springfield Lake	Summit	291 acres	27 ft
28	Rush Creek Lake	Fairfield	289 acres	27 ft
29	Highlandtown Lake	Columbiana	188 acres	27 ft
30	Nettle Lake	Williams	115 acres	27 ft
31	Knox Lake	Knox	491 acres	24 ft
32	Guilford Lake	Columbiana	361 acres	24 ft
33	Lake White	Pike	333 acres	24 ft
34	Lake Rupert	Vinton	327 acres	24 ft
35	Lake Lecomte	Hancock	138 acres	24 ft
36	Ross Lake	Ross	127 acres	24 ft
37	Barnesville Lake #4	Belmont	14 acres	24 ft
38	Findley Lake	Lorain	85 acres	21 ft
39	Fox Lake	Athens	52 acres	21 ft
40	Lake Hope	Vinton	121 acres	20 ft
41	Lake Logan	Hocking	333 acres	18 ft
42	Tycoon Lake	Gallia	183 acres	18 ft
43	Shreve Lake	Wayne	62 acres	18 ft
44	New Lyme Lake	Ashtabula	43 acres	18 ft
45	Oakthorpe Lake	Fairfield	43 acres	18 ft
46	Wingfoot Lake	Portage	445 acres	15 ft
47	Stonelick Lake	Clermont	161 acres	15 ft
48	Veto Lake	Washington	135 acres	15 ft
49	Harrison Lake	Fulton	99 acres	15 ft
50	Lima Lake	Allen	88 acres	15 ft
51	Aquilla Lake	Geauga	42 acres	15 ft
52	La Su An Lavere	Williams	15 acres	15 ft
53	Pine Lake	Ross	12 acres	15 ft
54	La Su An Sue	Williams	10 acres	15 ft
55	Caldwell Lake	Ross	10 acres	15 ft
56	Roosevelt Lake	Scioto	15 acres	14 ft
57	Kiser Lake	Champaign	394 acres	12 ft
58	Wills Creek	Muskingum	375 acres	12 ft
59	Jackson Lake	Jackson	252 acres	12 ft
60	Sippo Lake	Stark	100 acres	12 ft
61	Silver Creek	Summit	46 acres	12 ft
62	Jefferson Lake	Jefferson	20 acres	12 ft
63	La Su An Ann	Williams	5 acres	12 ft
64	Kokosing Lake	Knox	154 acres	9 ft
65	Oxbow Lake	Defiance	39 acres	9 ft
66	Lake Loramie	Shelby	870 acres	8 ft
67	Clark Lake	Clark	102 acres	6 ft
68	Madison Lake	Madison	98 acres	4 ft

Source: Ohio DNR lake data. Verified October 28, 2026. New lakes are added as their records are verified - rankings update with every addition.