# Big Spring Brewing — Lewistown, Montana

> Big Spring Brewing in Lewistown, Montana, United States scores 3.53 out of 5 — Poor, #78 in Montana. 70 beers tracked, mostly IPA.

*Canonical page: <https://finding.beer/brewery/big-spring-brewing-5073/> · data updated 2026-09-03*

Breadcrumb: Breweries → United States → Montana → Big Spring Brewing

Big Spring Brewing is a brewery in Lewistown, Montana, United States. We grade it Poor, with a score of 3.53 out of 5 on the beer it brews — #78 in Montana. Of the 70 beers we track, 22% are IPA and 21% Rye Beer.

## Rating

- Score: 3.53 out of 5
- Grade: Poor 😐 — Not bad beer so much as unremarkable beer.
- Ranked: #78 in Montana · #6,448 in United States · #10,604 worldwide
- Popularity: Barely rated
- Beers tracked: 70

## About

Big Spring Brewing produce's decent quality beer and are regularly brewing different ones. They are most well known for "Mayfly Rye", which is a Rye Beer and "Bomber IPA", which is an American IPA. Their primary focus is brewing IPAs and Rye Beers.

## What they brew

- IPA — 22% of the beers we track
- Rye Beer — 21% of the beers we track
- Pale Ale — 15% of the beers we track
- Wheat Beer — 13% of the beers we track
- Other — 12% of the beers we track
- Strong Ale — 10% of the beers we track
- Pale Lager — 7% of the beers we track

## Find them

- Address: 220 East Main Street, Lewistown, Montana, United States
- Coordinates: 47.068297, -109.4223073

## Breweries nearby

- [Gally’s Brewing Co.](https://finding.beer/brewery/gallys-brewing-co-2981.md) — 3.84, Fine — Harlowton, Montana — 48 mi away
- [Harvest Moon Brewing Company (Montana)](https://finding.beer/brewery/harvest-moon-brewing-company-montana-1027.md) — 3.52, Poor — Belt, Montana — 74 mi away
- [2 Basset Brewery](https://finding.beer/brewery/2-basset-brewery-2922.md) — 4.13, Great — White Sulphur Springs, Montana — 79 mi away
- [Crazy Peak Brewing Co](https://finding.beer/brewery/crazy-peak-brewing-co-22916.md) — 3.77, Fine — Big Timber, Montana — 89 mi away
- [Diamond X Beer Co.](https://finding.beer/brewery/diamond-x-beer-co-26384.md) — 3.86, Fine — Billings, Montana — 96 mi away
- [1Ō5 Brewing](https://finding.beer/brewery/1o5-brewing-35378.md) — 4.25, Great — Billings, Montana — 98 mi away
- [Freefall Brewery](https://finding.beer/brewery/freefall-brewery-22921.md) — 3.78, Fine — Billings, Montana — 99 mi away
- [1889 Brewing Company](https://finding.beer/brewery/1889-brewing-company-35379.md) — 3.88, Fine — Billings, Montana — 99 mi away

## Rankings this brewery appears in

- [Best breweries in Montana](https://finding.beer/breweries/united-states/montana.md)
- [Best breweries in United States](https://finding.beer/breweries/united-states.md)

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Finding Beer scores breweries on the beer they brew rather than on the venue. Method: <https://finding.beer/how-we-rank.md>. Rankings by place: <https://finding.beer/breweries.md>. The iPhone app adds a live map of what is around you: https://apps.apple.com/us/app/finding-beer/id1082135126