# List of lakes of Sweet Grass County, Montana

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There are at least 50 named lakes and reservoirs in Sweet Grass County, Montana.

## Lakes

* Armour Pond, 45°21′29″N 110°13′04″W﻿ / ﻿45.35806°N 110.21778°W﻿ / 45.35806; -110.21778﻿ (Armour Pond), el. 6,102 feet (1,860 m)
* Beley Lakes, 45°58′44″N 110°11′07″W﻿ / ﻿45.97889°N 110.18528°W﻿ / 45.97889; -110.18528﻿ (Beley Lakes), el. 6,450 feet (1,970 m)
* Blue Lake, 46°02′01″N 110°17′22″W﻿ / ﻿46.03361°N 110.28944°W﻿ / 46.03361; -110.28944﻿ (Blue Lake), el. 8,222 feet (2,506 m)
* Blue Lake, 45°11′58″N 110°12′50″W﻿ / ﻿45.19944°N 110.21389°W﻿ / 45.19944; -110.21389﻿ (Blue Lake), el. 9,465 feet (2,885 m)
* Burnt Gulch Lake, 45°14′39″N 110°09′00″W﻿ / ﻿45.24417°N 110.15000°W﻿ / 45.24417; -110.15000﻿ (Burnt Gulch Lake), el. 9,078 feet (2,767 m)
* Camp Lake, 45°28′17″N 110°06′56″W﻿ / ﻿45.47139°N 110.11556°W﻿ / 45.47139; -110.11556﻿ (Camp Lake), el. 8,983 feet (2,738 m)
* Cascade Lake, 46°03′56″N 110°15′43″W﻿ / ﻿46.06556°N 110.26194°W﻿ / 46.06556; -110.26194﻿ (Cascade Lake), el. 8,845 feet (2,696 m)
* Chalice Lake, 45°18′53″N 110°03′58″W﻿ / ﻿45.31472°N 110.06611°W﻿ / 45.31472; -110.06611﻿ (Chalice Lake), el. 9,626 feet (2,934 m)
* Cirque Lake, 45°14′12″N 110°05′07″W﻿ / ﻿45.23667°N 110.08528°W﻿ / 45.23667; -110.08528﻿ (Cirque Lake), el. 9,032 feet (2,753 m)
* Crazy Lake, 46°00′33″N 110°17′10″W﻿ / ﻿46.00917°N 110.28611°W﻿ / 46.00917; -110.28611﻿ (Crazy Lake), el. 9,137 feet (2,785 m)
* Divide Creek Lake, 45°22′48″N 110°06′46″W﻿ / ﻿45.38000°N 110.11278°W﻿ / 45.38000; -110.11278﻿ (Divide Creek Lake), el. 8,953 feet (2,729 m)
* Emerald Lake, 45°18′01″N 110°12′20″W﻿ / ﻿45.30028°N 110.20556°W﻿ / 45.30028; -110.20556﻿ (Emerald Lake), el. 9,111 feet (2,777 m)
* Favonius Lake, 45°13′05″N 110°05′56″W﻿ / ﻿45.21806°N 110.09889°W﻿ / 45.21806; -110.09889﻿ (Favonius Lake), el. 9,426 feet (2,873 m)
* Fish Lake, 45°15′08″N 110°06′36″W﻿ / ﻿45.25222°N 110.11000°W﻿ / 45.25222; -110.11000﻿ (Fish Lake), el. 9,475 feet (2,888 m)
* Granite Lake, 46°02′05″N 110°17′37″W﻿ / ﻿46.03472°N 110.29361°W﻿ / 46.03472; -110.29361﻿ (Granite Lake), el. 8,205 feet (2,501 m)
* Hidden Lake, 46°01′15″N 110°16′12″W﻿ / ﻿46.02083°N 110.27000°W﻿ / 46.02083; -110.27000﻿ (Hidden Lake), el. 9,652 feet (2,942 m)
* Horseshoe Lake, 45°16′11″N 110°10′56″W﻿ / ﻿45.26972°N 110.18222°W﻿ / 45.26972; -110.18222﻿ (Horseshoe Lake), el. 9,521 feet (2,902 m)
* Jay Lake, 45°18′23″N 110°04′02″W﻿ / ﻿45.30639°N 110.06722°W﻿ / 45.30639; -110.06722﻿ (Jay Lake), el. 9,819 feet (2,993 m)
* Jordan Lake, 45°14′08″N 110°04′43″W﻿ / ﻿45.23556°N 110.07861°W﻿ / 45.23556; -110.07861﻿ (Jordan Lake), el. 8,904 feet (2,714 m)
* Kent Lake, 45°38′36″N 109°36′21″W﻿ / ﻿45.64333°N 109.60583°W﻿ / 45.64333; -109.60583﻿ (Kent Lake), el. 4,754 feet (1,449 m)
* Lake Columbine, 45°13′03″N 110°08′43″W﻿ / ﻿45.21750°N 110.14528°W﻿ / 45.21750; -110.14528﻿ (Lake Columbine), el. 9,153 feet (2,790 m)
* Lake Kathleen, 45°14′24″N 110°11′21″W﻿ / ﻿45.24000°N 110.18917°W﻿ / 45.24000; -110.18917﻿ (Lake Kathleen), el. 7,585 feet (2,312 m)
* Lake Pinchot, 45°16′52″N 110°04′23″W﻿ / ﻿45.28111°N 110.07306°W﻿ / 45.28111; -110.07306﻿ (Lake Pinchot), el. 9,288 feet (2,831 m)
* Lightning Lake, 45°20′05″N 110°04′14″W﻿ / ﻿45.33472°N 110.07056°W﻿ / 45.33472; -110.07056﻿ (Lightning Lake), el. 9,383 feet (2,860 m)
* Lost Lake, 46°00′15″N 110°16′58″W﻿ / ﻿46.00417°N 110.28278°W﻿ / 46.00417; -110.28278﻿ (Lost Lake), el. 8,950 feet (2,730 m)
* Lower Glaston Lake, 45°59′59″N 109°49′57″W﻿ / ﻿45.99972°N 109.83250°W﻿ / 45.99972; -109.83250﻿ (Lower Glaston Lake), el. 4,659 feet (1,420 m)
* Martes Lake, 45°14′58″N 110°05′10″W﻿ / ﻿45.24944°N 110.08611°W﻿ / 45.24944; -110.08611﻿ (Martes Lake), el. 9,409 feet (2,868 m)
* Mirror Lake, 45°16′37″N 110°08′59″W﻿ / ﻿45.27694°N 110.14972°W﻿ / 45.27694; -110.14972﻿ (Mirror Lake), el. 9,678 feet (2,950 m)
* Moccasin Lake, 45°29′31″N 110°00′25″W﻿ / ﻿45.49194°N 110.00694°W﻿ / 45.49194; -110.00694﻿ (Moccasin Lake), el. 7,513 feet (2,290 m)
* Mouse Lake, 45°12′34″N 110°05′47″W﻿ / ﻿45.20944°N 110.09639°W﻿ / 45.20944; -110.09639﻿ (Mouse Lake), el. 9,669 feet (2,947 m)
* North Picket Pin Lake, 45°25′51″N 110°02′28″W﻿ / ﻿45.43083°N 110.04111°W﻿ / 45.43083; -110.04111﻿ (North Picket Pin Lake), el. 8,825 feet (2,690 m)
* Owl Lake, 45°16′33″N 110°06′01″W﻿ / ﻿45.27583°N 110.10028°W﻿ / 45.27583; -110.10028﻿ (Owl Lake), el. 9,544 feet (2,909 m)
* Pentad Lake, 45°13′18″N 110°06′12″W﻿ / ﻿45.22167°N 110.10333°W﻿ / 45.22167; -110.10333﻿ (Pentad Lake), el. 9,399 feet (2,865 m)
* Pipit Lake, 45°16′22″N 110°06′19″W﻿ / ﻿45.27278°N 110.10528°W﻿ / 45.27278; -110.10528﻿ (Pipit Lake), el. 9,583 feet (2,921 m)
* Rainbow Lakes, 45°16′08″N 110°07′40″W﻿ / ﻿45.26889°N 110.12778°W﻿ / 45.26889; -110.12778﻿ (Rainbow Lakes), el. 9,442 feet (2,878 m)
* Rein Lake, 46°10′53″N 110°11′09″W﻿ / ﻿46.18139°N 110.18583°W﻿ / 46.18139; -110.18583﻿ (Rein Lake), el. 6,024 feet (1,836 m)
* South Picket Pin Lake, 45°25′31″N 110°02′44″W﻿ / ﻿45.42528°N 110.04556°W﻿ / 45.42528; -110.04556﻿ (South Picket Pin Lake), el. 9,098 feet (2,773 m)
* Sundown Lake, 45°13′59″N 110°06′12″W﻿ / ﻿45.23306°N 110.10333°W﻿ / 45.23306; -110.10333﻿ (Sundown Lake), el. 9,495 feet (2,894 m)
* Sunken Rock Lake, 45°14′45″N 110°05′31″W﻿ / ﻿45.24583°N 110.09194°W﻿ / 45.24583; -110.09194﻿ (Sunken Rock Lake), el. 9,521 feet (2,902 m)
* Swamp Lake, 45°57′59″N 110°16′30″W﻿ / ﻿45.96639°N 110.27500°W﻿ / 45.96639; -110.27500﻿ (Swamp Lake), el. 8,789 feet (2,679 m)
* Thunder Lake, 46°02′06″N 110°16′59″W﻿ / ﻿46.03500°N 110.28306°W﻿ / 46.03500; -110.28306﻿ (Thunder Lake), el. 8,061 feet (2,457 m)
* Trout Lake, 45°20′15″N 110°13′47″W﻿ / ﻿45.33750°N 110.22972°W﻿ / 45.33750; -110.22972﻿ (Trout Lake), el. 6,155 feet (1,876 m)
* Wounded Man Lake, 45°16′16″N 110°05′05″W﻿ / ﻿45.27111°N 110.08472°W﻿ / 45.27111; -110.08472﻿ (Wounded Man Lake), el. 9,258 feet (2,822 m)

## Reservoirs

* Beley Pond, 45°52′03″N 109°59′31″W﻿ / ﻿45.86750°N 109.99194°W﻿ / 45.86750; -109.99194﻿ (Beley Pond), el. 4,426 feet (1,349 m)
* Glass Lindsay Lakes Lower Reservoir, 46°00′00″N 109°50′09″W﻿ / ﻿46.00000°N 109.83583°W﻿ / 46.00000; -109.83583﻿ (Glass Lindsay Lakes Lower Reservoir), el. 4,659 feet (1,420 m)
* Lake Adam Upper Reservoir, 46°03′42″N 109°48′21″W﻿ / ﻿46.06167°N 109.80583°W﻿ / 46.06167; -109.80583﻿ (Lake Adam Upper Reservoir), el. 4,718 feet (1,438 m)
* Lake Adam Upper Reservoir, 46°03′42″N 109°48′27″W﻿ / ﻿46.06167°N 109.80750°W﻿ / 46.06167; -109.80750﻿ (Lake Adam Upper Reservoir), el. 4,721 feet (1,439 m)
* Lake Adams Upper Reservoir, 46°02′48″N 109°48′33″W﻿ / ﻿46.04667°N 109.80917°W﻿ / 46.04667; -109.80917﻿ (Lake Adams Upper Reservoir), el. 4,705 feet (1,434 m)
* Lavold Reservoir, 45°57′20″N 109°53′18″W﻿ / ﻿45.95556°N 109.88833°W﻿ / 45.95556; -109.88833﻿ (Lavold Reservoir), el. 4,363 feet (1,330 m)
* Upper Glaston Lake, 46°02′11″N 109°49′39″W﻿ / ﻿46.03639°N 109.82750°W﻿ / 46.03639; -109.82750﻿ (Upper Glaston Lake), el. 4,711 feet (1,436 m)