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Big Lake

Montana
10.45 km²
45.8833, -109.0498
13 species
NHD 137462481
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Imagery © Esri
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About Big Lake

Big Lake is a natural lake or pond in Montana, United States. It covers approximately 10.45 km² (2583 acres). The lake centroid is located at 45.8833° N, 109.0498° W. 13 fish species are commonly found in waters like this one, including 2 introduced species. Lake boundary and identifier come from the USGS National Hydrography Dataset.

At a glance

Best season
May – September
Ice-off through early fall
Natural lake
Large
Room for multiple techniques
Species diversity
Diverse
13 species in this region
Access
Public waterbody
Check Montana fishing regulations

Weather at Big Lake

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Best fishing times today

Day length: 11h 27m
Dawn12:52
Sunrise13:22
Sunset00:48
Dusk01:18

Bite windows today

  • Dawn12:22 – 14:22Excellent
  • Morning14:22 – 19:05Good
  • Midday19:05 – 21:48Calm
  • Afternoon21:48 – 23:48Good
  • Dusk23:48 – 01:48Excellent
  • Night01:48 – 12:22Good
Moon: 14% · waning↑ 09:59

Fish species

Species data comes from GBIF and is refreshed by donors.Support this →

Showing 13 of 13 species

Gear & tips for rainbow trout

Rod
5- to 7-weight fly rod
Sage X
Vision XO
Loop Q
Reel
5/6-weight fly reel
Mainline
WF-5/6 floating line + intermediate
Leader
Tapered + 0.20 mm tippet
Lures / bait
  • Streamers
  • Egg patterns
  • Nymphs
  • Dry flies
  • Boobies
Find fly fishing gear at Sportfish
Season
April–November (put-and-take year-round)
Time of day
All day
Tip

Put-and-take fishing is common. Vary your depth. Popular Swedish waters: Bunn, Sommen and many small stocked put-and-take ponds.

Full guide

Plan your trip to Big Lake

Everything you need before you launch — license, regulations, and current water conditions.

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Montana FWP
Water conditions & levels
USGS gauge data near Big Lake
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Frequently asked questions

What fish species live in Big Lake?

Species you can expect in or near Big Lake include Lake Trout, Rainbow Trout, Crappie, Yellow Perch, Northern Pike, Smallmouth Bass, Largemouth Bass, Channel Catfish, and others. The list is based on species present in Montana waters and GBIF occurrence records.

How big is Big Lake?

Big Lake covers approximately 10.45 square kilometres (2583 acres), based on the USGS National Hydrography Dataset.

Where is Big Lake located?

Big Lake is located in Montana, United States, with its centroid at 45.8833°, -109.0498°.

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Data sources: USGS National Hydrography Dataset · GBIF