US lakes & pondsUS lakes & pondsSurface area: The USGS National Hydrography Dataset outline (NHD Permanent ID 137852983).
The closest airport with scheduled passenger flights to Grasshopper Reservoir, plus larger airports within about 150 miles:
Pick up a rental car at the airport you fly into and drive to Grasshopper Reservoir.
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Look for hotels in and around Chinook, MT.
Search hotels near Chinook, MT on Klook
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Airports with scheduled airline service from OurAirports (large and medium airports); larger airports are FAA large, medium and small hubs by FAA CY2025 enplanements ("major airport" = FAA large hub). Distances are straight-line from the lake's center, not driving distance; road routes are longer.
Look up tours, activities and attraction tickets around Chinook, MT on Klook.
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Browse boat, pontoon and kayak rentals and charters listed on GetMyBoat.
Boat rentals in Montana on GetMyBoat
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The red circle marks Grasshopper Reservoir.
Towns and counties: U.S. Census Bureau boundaries overlaid on the USGS lake outline (Montana: incorporated places touching the lake, otherwise the nearest one).
Official FWP pages. Rules and fees change; check before you go.
Built only from the data on this page: official access lists, OpenStreetMap beaches and trails, campground listings, state and USGS invasive-species records. We don't rate crowds or water quality.
Fish species caught in Montana FWP fish surveys (most-caught first): Fathead minnow, White sucker, Rainbow trout, Creek chub, Brassy minnow, Lake chub, Pearl dace, Northern redbelly dace, Brook stickleback, Spottail shiner, Flathead chub, Shorthead redhorse, Iowa darter.
Stocked by the state: Rainbow trout, Tiger muskie (2015–2026, 12 years; 57,619 fish in all, fry included) · Latest survey: FWP fish survey 2024 (records since 1990)
Source: Montana Fish, Wildlife & Parks, Fish Survey Locations from the FWP Fisheries Information System (surveys of Grasshopper Reservoir since 1990) and FWP Fish Stocking Records where listed. Look up the water in FishMT. Surveys use nets that catch some species better than others, so this is not a complete fish list.
Gear picks based on the fish listed for Grasshopper Reservoir above. These open Amazon search results; check your state's fishing rules for the water before you buy bait or tackle.
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No public access sites are listed for this water in the OpenStreetMap boat ramps (no statewide agency ramp layer used) data.
Shoreline: USGS National Hydrography Dataset (NHD Waterbody, Permanent ID 137852983), public domain. State outline: U.S. Census Bureau TIGERweb. Points: OpenStreetMap boat ramps (no statewide agency ramp layer used). Interactive map: Leaflet with © OpenStreetMap contributors. Not for navigation.
Live from the National Weather Service API for the lake's coordinates (48.4153, -109.2840). The nearest station may be several miles away. NWS forecast for Grasshopper Reservoir. No live water-temperature sensor is shown because we haven't found a public one for this lake.
Based on solunar theory, an estimate. Major periods (about 2 hours) center on when the moon is directly overhead or underfoot; minor periods (about 1 hour) center on moonrise and moonset. The 0–100 activity score rises during those periods and gets a boost near sunrise and sunset and around the new and full moon. Weather, water temperature and pressure often matter more. Sun and moon times are calculated in your browser from the lake's coordinates with standard astronomy formulas, shown in MT (America/Denver), and accurate to within a few minutes.
Grasshopper Reservoir covers about 17 acres in Chinook, Montana (Blaine County).
Montana FWP fish survey and stocking records lists Rainbow trout, Fathead minnow, White sucker, Creek chub, Brassy minnow, Lake chub, Pearl dace, Northern redbelly dace, Brook stickleback and Spottail shiner and 3 more.
Grasshopper Reservoir touches Chinook in Blaine County, Montana.
Know Grasshopper Reservoir? Tell us about the launch, parking, where they're biting or anything a first-time visitor should know. Tips go privately to the LakeRipple editor; nothing is posted automatically. Helpful tips may be featured on this page (we'll use your first name only if you give one).
Straight-line distance between lake centers. All Montana lakes & ponds · All waters in Chinook