| LARGEST LOCHS (INLAND OR FRESHWATER) | |||||||||
| No. | Name | Area | Grid Reference | Maximum Depth | Local Authority Area | ||||
| Hectares | Acres | Sq.Miles | metres | feet | rank | ||||
| 1 | Loch Lomond | 7,080.3 | 17,495.4 | 27.34 | NS49 | 189.9 | 623.1 | 3 | Stirling / Argyll and Bute / West Dunbartonshire |
| 2 | Loch Ness | 5,533.3 | 13,672.8 | 21.36 | NH5023 | 229.6 | 753.3 | 2 | Highland |
| 3 | Loch Awe | 3,804.3 | 9,400.4 | 14.69 | NN0016 | 93.6 | 307.1 | 15 | Argyll and Bute |
| 4 | Loch Shin | 3,293.5 | 8,138.2 | 12.72 | NC4916 | 49.4 | 162.1 | 33 | Highland |
| 5 | Loch Maree | 2,797.6 | 6,912.9 | 10.80 | NG9271 | 111.9 | 367.1 | 11 | Highland |
| 6 | Loch Morar | 2,683.1 | 6,629.9 | 10.36 | NM7691 | 310 | 1,017.10 | 1 | Highland |
| 7 | Loch Tay | 2,639.6 | 6,522.5 | 10.19 | NN6838 | 154.8 | 507.9 | 6 | Perth and Kinross / Stirling |
| 8 | Loch Ericht | 2,238.5 | 5,531.3 | 8.64 | NN5472 | 156.1 | 512.2 | 5 | Highland / Perth and Kinross |
| 9 | Loch Shiel | 1,992.9 | 4,924.5 | 7.69 | NM8172 | 128 | 420 | 10 | Highland |
| 10 | Loch Rannoch | 1,880.7 | 4,647.2 | 7.26 | NN5958 | 134.1 | 440 | 8 | Perth and Kinross |
| 11 | Loch Quoich | 1,746.1 | 4,314.6 | 6.74 | NH0202 | N/A | Highland | ||
| 12 | Loch Lochy | 1,720.0 | 4,250.1 | 6.64 | NN2390 | 161.8 | 530.9 | 4 | Highland |
| 13 | Loch Arkaig | 1,597.2 | 3,946.7 | 6.17 | NN0991 | 109.4 | 358.9 | 13 | Highland |
| 14 | Loch Leven | 1,371.3 | 3,388.5 | 5.29 | NO1402 | 25.3 | 83 | N/A | Perth and Kinross |
| 15 | Loch Katrine | 1,325.7 | 3,275.8 | 5.12 | NN4410 | 150.9 | 495.1 | 7 | Stirling |
| 16 | Blackwater Reservoir | 1,091.2 | 2,696.4 | 4.21 | NN3060 | Highland | |||
| 17 | Loch Fannich | 1,079.6 | 2,667.7 | 4.17 | NH2166 | 86 | 282.2 | 17 | Highland |
| 18 | Loch Cluanie | 1,046.5 | 2,585.9 | 4.04 | NH1410 | Highland | |||
| 19 | Fionn Loch | 1,014.4 | 2,506.6 | 3.92 | NG9579 | 43.9 | 144 | 40= | Highland |
| 20 | Loch Monar | 993.9 | 2,455.9 | 3.84 | NH1441 | Highland | |||
| 21 | Loch of Harray | 981.0 | 2,424.1 | 3.79 | HY2916 | 4.3 | 14.1 | N/A | Orkney |
| 22 | Loch Earn | 946.7 | 2,339.3 | 3.66 | NN6424 | 87.5 | 287.1 | 16 | Perth and Kinross / Stirling |
| 23 | Loch Mullardoch | 941.0 | 2,325.2 | 3.63 | NH1731 | Highland | |||
| 24 | Loch Rimsdale/Loch nan Clar/Loch Badanloch | 923.4 | 2,281.7 | 3.57 | NC7635 | Highland | |||
| 25 | Loch Langavat | 895.3 | 2,212.3 | 3.46 | NB1717 | 29.9 | 98.1 | N/A | Western Isles |
| 26 | Loch Doon | 818.9 | 2,023.5 | 3.16 | NX4999 | 30.5 | 100.1 | N/A | East Ayrshire |
| 27 | Loch Assynt | 800.4 | 1,977.8 | 3.09 | NC2125 | 86 | 282.2 | 18 | Highland |
| 28 | Loch of Stenness | 786.0 | 1,942.2 | 3.03 | HY2813 | 5.2 | 17.1 | N/A | Orkney |
| 29 | Loch Laggan | 760.7 | 1,879.7 | 2.94 | NN4887 | 53 | 173.9 | 30 | Highland |
| 30 | Loch Treig | 733.8 | 1,813.2 | 2.83 | NN3372 | 132.9 | 436 | 9 | Highland |
| 31 | Loch Bee | 703.5 | 1,738.3 | 2.72 | NF7843 | Western Isles | |||
| 32 | Loch Ken | 698.3 | 1,725.5 | 2.70 | NX6970 | Dumfries and Galloway | |||
| 33 | Loch Garry | 686.0 | 1,695.1 | 2.65 | NH2202 | 64.9 | 212.9 | 23 | Highland |
| 34 | Loch Loyal | 646.2 | 1,596.8 | 2.49 | NC6247 | Highland | |||
| 35 | Loch Hope | 638.3 | 1,577.2 | 2.46 | NC4655 | 57 | 187 | 27 | Highland |
| 36 | Loch Loyne | 630.5 | 1,558.0 | 2.43 | NH1605 | Highland | |||
| 37 | Loch Luichart | 628.1 | 1,552.0 | 2.43 | NH3462 | 50 | 164.1 | 32 | Highland |
| 38 | Loch Tummel | 579.1 | 1,431.0 | 2.24 | NN8259 | Perth and Kinross | |||
| 39 | Loch Naver | 559.0 | 1,381.3 | 2.16 | NC6136 | 32.9 | 107.9 | N/A | Highland |
| 40 | Loch Sionascaig | 557.8 | 1,378.3 | 2.15 | NC1214 | Highland | |||
| 41 | Loch Duntelchaig | 555.1 | 1,371.7 | 2.14 | NH6231 | Highland | |||
| 42 | Loch Glascarnoch | 531.6 | 1,313.6 | 2.05 | NH3173 | Highland | |||
| 43 | Loch Lyon | 492.3 | 1,216.5 | 1.90 | NN4142 | Perth and Kinross | |||
| 44 | Loch Laidon | 483.0 | 1,193.5 | 1.86 | NN3855 | 39 | 128 | 45 | Perth and Kinross |
| 45 | Loch Glass | 481.8 | 1,190.5 | 1.86 | NH5173 | 111.3 | 365.2 | 12 | Highland |
| 46 | Loch Frisa | 437.8 | 1,081.8 | 1.69 | NM4949 | 62.5 | 205.1 | 25 | Argyll and Bute |
| 47 | Loch Mhor | 428.1 | 1,057.8 | 1.65 | NH5420 | 27.7 | 90.9 | N/A | Highland |
| 48 | Loch Eck | 425.3 | 1,050.9 | 1.64 | NS1492 | 42.4 | 139.1 | 43 | Argyll and Bute |
| 49 | Orrin Reservoir | 403.7 | 997.5 | 1.56 | NH3750 | Highland | |||
| 50 | Loch Beinn a'Mhea | 394.1 | 973.8 | 1.52 | NH2425 | Highland | |||
| 51 | Clatteringshaws Loch | 387.4 | 957.3 | 1.50 | NX542770 | Dumfries and Galloway | |||
| 52 | Loch Venachar | 382.6 | 945.4 | 1.48 | NN571058 | 33.8 | 110.9 | N/A | Stirling |
| 53 | Loch Calder | 381.5 | 942.7 | 1.47 | ND071601 | 25.9 | 85 | N/A | Highland |
| 54 | Lochan Fada | 377.0 | 931.6 | 1.46 | NH024710 | 75.6 | 248 | 20 | Highland |
| 55 | Carron Valley Reservoir | 375.6 | 928.1 | 1.45 | NS691838 | Stirling | |||
| 56 | Loch More | 372.8 | 921.2 | 1.44 | NC325375 | 96.3 | 316 | 14 | Highland |
| 57 | Loch Watten | 372.7 | 920.9 | 1.44 | ND229562 | 3.7 | 12.1 | N/A | Highland |
| 58 | Loch na Sealga | 364.5 | 900.7 | 1.41 | NH034829 | Argyll and Bute | |||
| 59 | Loch Avich | 348.2 | 860.4 | 1.34 | NM936144 | 57.3 | 188 | 26 | Western Isles |
| 60 | Loch Scadavey | 336.2 | 830.8 | 1.30 | NF852684 | 11.3 | 37.1 | N/A | Highland |
| 61 | Loch Damh | 332.2 | 820.9 | 1.28 | NG866506 | 62.8 | 206 | 24 | Highland |
| 62 | Loch Druidibeg | 323.5 | 799.4 | 1.25 | NF793374 | Western Isles | |||
| 63 | Loch Lurgainn | 322.2 | 796.2 | 1.24 | NC109090 | Highland | |||
| 64 | Loch Ba | 315.2 | 778.9 | 1.22 | NM570377 | 43.9 | 144 | 40= | Argyll and Bute |
| 65 | Loch Errochty | 303.0 | 748.7 | 1.17 | NN683653 | Perth and Kinross | |||
| 66 | Loch Obisary | 295.2 | 729.4 | 1.14 | NF895615 | 46 | 150.9 | 37 | Western Isles |
| 67 | Loch Choire | 290.1 | 716.8 | 1.12 | NC632285 | Highland | |||
| 68 | St Mary's Loch | 288.0 | 711.6 | 1.11 | NT248226 | 46.6 | 152.9 | 36 | Borders |
| 69 | Loch am Daimh | 280.9 | 694.1 | 1.08 | NN483465 | Perth and Kinross | |||
| 70 | Loch Gorm | 271.4 | 670.6 | 1.05 | NR230658 | Argyll and Bute | |||
| 71 | Loch Tulla | 264.4 | 653.3 | 1.02 | NN295428 | 25.6 | 84 | N/A | Argyll and Bute |
| 72 | Loch Bad a' Ghaill | 259.3 | 640.7 | 1.00 | NC077102 | 54.9 | 180.1 | 28 | Highland |
| 73 | Loch a'Chroisg | 257.1 | 635.3 | 0.99 | NH122582 | 51.2 | 168 | 31 | Highland |
| 74 | Loch Veyatie | 256.6 | 634.1 | 0.99 | NC179137 | 38.4 | 126 | 46 | Highland |
| 75 | Loch Ossian | 255.1 | 630.4 | 0.98 | NN392680 | 40.2 | 131.9 | 44 | Highland |
| 76 | Carn Loch | 252.6 | 624.2 | 0.98 | NC213134 | 37.2 | 122.1 | 47 | Highland |
| 77 | Loch Stack | 252.1 | 622.9 | 0.97 | NC295423 | 32.9 | 107.9 | N/A | Highland |
| 78 | Lake of Menteith | 252.0 | 622.7 | 0.97 | NN576003 | 23.5 | 77.1 | N/A | Stirling |
| 79 | Loch Ba | 249.2 | 615.8 | 0.96 | NN322503 | 9.1 | 29.9 | N/A | Highland |
| 80 | Meggat Reservoir | 243.4 | 601.4 | 0.94 | NT192222 | Borders | |||
| 81 | Loch Suainavai | 242.0 | 598.0 | 0.93 | NB068290 | 66.8 | 219.2 | 22 | Western Isles |
| 82 | Loch Trealaval | 240.6 | 594.5 | 0.93 | NB274235 | 10.7 | 35.1 | N/A | Western Isles |
| 83 | Loch Glass | 236.5 | 584.4 | 0.91 | NH531760 | Highland | |||
| 84 | Loch Of Boardhouse | 235.5 | 581.9 | 0.91 | HY269259 | 2.7 | 8.9 | N/A | Orkney |
| 85 | Loch of Swannay | 233.4 | 576.7 | 0.90 | HY311281 | 4.9 | 16.1 | N/A | Orkney |
| 86 | Loch Lubnaig | 232.4 | 574.3 | 0.90 | NN580134 | 44.5 | 146 | 38 | Stirling |
| 87 | Loch an Ruathair | 230.2 | 568.8 | 0.89 | NC866367 | 7.9 | 25.9 | N/A | Highland |
| 88 | Loch Affric | 225.1 | 556.2 | 0.87 | NH157222 | 67.4 | 221.1 | 21 | Highland |
| 89 | Loch Brora | 223.9 | 553.3 | 0.86 | NC852078 | 20.1 | 65.9 | N/A | Highland |
| 90 | Loch Laggan | 222.2 | 549.1 | 0.86 | NN406815 | Highland | |||
| 91 | Loch Arklet | 220.1 | 543.9 | 0.85 | NN377091 | 20.4 | 66.9 | N/A | Stirling |
| 92 | Loch Voil | 216.6 | 535.2 | 0.84 | NN503198 | 29.9 | 98.1 | N/A | Aberdeenshire |
| 93 | Loch Muick | 215.5 | 532.5 | 0.83 | NO289829 | 78 | 255.9 | 19 | Stirling |
| 94 | Loch Braden | 215.5 | 532.5 | 0.83 | NX422973 | South Ayrshire | |||
| 95 | Lochindorb | 214.7 | 530.5 | 0.83 | NH971361 | 15.5 | 50.9 | N/A | Highland |
| 96 | Loch Ard | 213.6 | 527.8 | 0.82 | NN465017 | 32.6 | 107 | N/A | Stirling |
| 97 | Loch Meadie | 211.4 | 522.4 | 0.82 | NC503409 | Highland | |||
| 98 | Loch Nant | 208.7 | 515.7 | 0.81 | NM999240 | Argyll and Bute | |||
| 99 | Loch of Strathbeg | 205.6 | 508.0 | 0.79 | NK075589 | Aberdeenshire | |||
| 100 | Daer Reservoir | 197.1 | 487.0 | 0.76 | NS975078 | South Lanarkshire | |||
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