Moon Lake near Big Sky: Fishing Spots, Seasons and Access

• Overview

  Look for Moon Lake in Gallatin County, Montana. Height above sea level is 8,921 feet. Surface area runs to about 5 acres — small enough to read in one session. Big Sky sits 5.3 miles from the bank. The nearest city of size is Billings, 138 miles away. Water in the same corner: Deer Lake 0.4 miles off, Hell Roaring Lake near enough 1.6 miles, Dudley Lake 1.8 miles off, Jumbo Lake near enough 3 miles and Lava Lake 3.9 miles off. The boundary is close enough to be worth checking before you fish.

• Where to Fish on Moon Lake

  No chart reached our records; the first cast is your sounding. A natural lake fishes on cover, and cover here means weed and timber. Where the bottom changes texture, fish gather; find that line. Reported across Gallatin County: rainbow trout, brown trout, brook trout and mountain whitefish. The county list is broader than any single water. Anyone new to Moon Lake should walk it once before setting up.

• Seasonal Patterns

  Long-term averages put July at about 56°F and January near 17°F. A hard winter is normal, and the thaw brings a strong few weeks. Hard cover is dependable here; it goes around mid May. The open-water window runs from around mid May to about mid November in an average year. September and October fish steadily right up to the freeze. That is the shape of the year on Moon Lake.

• Tackle & Baits

  Nothing we hold confirms whether access is permitted. Nothing is mapped in the way of a ramp or car park within a short radius. Trout here take small spinners, spoons and, where fly water allows, a nymph or dry. Where the road in crosses private land, ask first. Close seasons apply to some species and not others. For a change of water, Deer Lake is 0.4 miles distant. Check the current arrangement for Moon Lake.