Individual Lake Pages

Major Lakes

These lakes were included in the original Atlas of Oregon Lakes – or – they have photos, documents, plant data or mussel data available.

Name Reachcode
Obenchain Reservoir (Klamath) 18010202003345
Ochoco Reservoir (Crook) 17070305009769
Odell Lake (Klamath) 17070301000918
Officers Reservoir (Grant) 17070201006146
Lake of the Woods (Klamath) 18010203003546
Olalla Reservoir (Lincoln) 17100204005506
Olallie Lake (Jefferson) 17070306002036
Olive Lake (Grant) 17070202005406
Lake Oswego (Clackamas) 17090012000369
Lake Owyhee (Malheur) 17050110002049
Oxbow Reservoir (Baker) 17050201004102

Other Lakes

Name Reachcode
Oak Crest Farm Reservoir (Polk) 17090007005439
Oak Ridge Lake (Columbia) 17080003006483
Oakshire Reservoir (Polk) 17090003006060
O A Lake (Linn) 17090005000776
Oatman Flat (Lake) 17120005003405
Oatman Lake (Klamath) 18010206001008
Obenchain Pit (Malheur) 17050110003529
Oberg Reservoir (Yamhill) 17090008000594
Oberman Reservoir (Klamath) 18010204009148
Obiaque Water Hole (Harney) 17120004003005
O'Black Pond (Columbia) 17100202004878
Oblong Waterhole (Lake) 17120005008458
O'Connor Reservoir (Klamath) 18010204009323
O'Connors Puddle Reservoir (Klamath) 18010202001137
Lake of the Winds (Benton) 17090003001448
Lake of the Woods (Curry) 17100310007288
Lake of the Woods (Linn) 17090005000773
Lake of the Woods (Curry) 17100312009838
O'Keefe Reservoir (Harney) 17070303007173
O'Keefe Reservoir (Harney) 17120004003431
O'Keefe Reservoir (Lake) 17120007342190
O'Keefe Reservoir (Lake) 17120007002356
O'Keefe Reservoir Number Four (Lake) 17120007342124
O'Keefe Reservoir Number Six (Lake) 17120007342139
O'Keefe Waterhole (Lake) 17120005004859
Oke Reservoir (Malheur) 17050103005339
Old Auburn Reservoir (Baker) 17050203006926
Old Camp Pond (Baker) 17050202004473
Oldenburg Lake (Klamath) 17070302001398
Old Faithful Reservoir (Crook) 17070304003503
Old Fence Reservoir (Malheur) 17050110003369
Old Jims Lake (Harney) 17120004003383
Old Lakebed Waterhole (Crook) 17070303014534
O'Leary Reservoir (Lake) 17120006001879
O'Leary Reservoir Number 1 (Lake) 17120005003854
O'Leary Reservoir Number 3 (Lake) 17120005003908
O'Leary Reservoir Number 4 (Lake) 17120005003832
Oletay Reservoir (Lake) 17120005003841
Olge Reservoir (Polk) 17090003006041
Olive Lake (Union) 17050203006099
Olive Reservoir (Klamath) 18010204009451
Oliver Lake (Benton) 17090003006772
Oliver Reservoir (Malheur) 17050108002884
Olson Meadows (Wallowa) 17060106004982
O'Neal Reservoir (Marion) 17090009003485
One Crock Waterhole (Lake) 17120005008448
One O'Clock Lake (Harney) 17120001001900
On the Rim Waterhold (Harney) 17120001002673
On Top Waterhole (Harney) 17120001002655
Opal Lake (Marion) 17090005000750
Opal Lake (Douglas) 17090001001124
Opal Reservoir (Malheur) 16040201015069
Open Valley Waterhole Number Three (Harney) 17120004003370
Optimism Reservoir (Malheur) 17050107004975
Oreana Reservoir (Harney) 16040205006195
Oreana Waterhole (Harney) 17120008004562
Oregon Canyon Reservoir (Malheur) 16040201015017
Oregon Canyon Reservoir Number Two (Malheur) 16040201015016
Oregon Coast Log Pond (Curry) 17100312010008
Oregon End Reservoir (Harney) 16040205001094
Oregon Gulch Reservoir Number One (Jackson) 18010206004310
Oregon Hill Reservoir (Malheur) 17050107005034
Oregon Lake Creek Reservoir (Malheur) 17050107005014
Oregon Lake Reservoir (Malheur) 17050107005036
Orejana Basin Waterhole (Harney) 17120007340886
Orejana Waterhole (Harney) 17120007340884
O Reservoir (Baker) 17050202004599
Oriana Reservoir (Harney) 17120009004261
Ornoname 24 Reservoir (Washington) 17090010004609
Oron Thompson Reservoir (Harney) 17120001002499
Orris Pond (Klamath) 18010203002560
Osborne Reservoir (Jackson) 17100307007080
Osborn Pond (Polk) 17090008004322
O'Toole Reservoir (Malheur) 17050117002873
Otter Lake (Lane) 17090001001055
Ottertail Lake (Hood River) 17070105019102
Outside Waterhole (Lake) 17120008004591
Oval Lake (Hood River) 17070105019582
Overtime Reservoir (Malheur) 17050107004988
Owens Reservoir (Jackson) 17100307006979
Owens Reservoir (Jackson) 17100307006995
Owl Reservoir (Crook) 17070303006602
Owyhee Butte Reservoir (Malheur) 17050110003711
Owyhee Reseeding Reservoir (Malheur) 17050107004743
Owyhee Rim Reservoir (Malheur) 17050110003496
Owyhee Spring Reservoir (Malheur) 17050107004740
Oxbow Reservoir (Malheur) 17050110003208