Flathead Lake State Park Has The Clearest Water In Montana

We may not have ocean beaches here in Montana, but we have something even better: the legendary Flathead Lake. The clarity of this massive lake’s water is world-renowned, a trait we attribute to its low nutrient levels (phosphorus and nitrogen), which leads to a lack of algae. Whatever the reason, the lake is amazing, and you can enjoy it to the fullest at Flathead Lake State Park.

Flathead Lake State Park is massive, spanning most of the lakeshore.

Brent Burland / Getty Images It’s actually divided into smaller state parks, like Big Arm and Wayfarers. Montana Fish, Wildlife & Parks maintains 13 public access sites around the lake.

Flathead Lake is the largest natural freshwater lake west of the Mississippi in the lower 48 states, spanning about 185 miles of shoreline.

Josue C / TripAdvisor There’s an impressive 200 square miles of water here!

Each different park has its own camping rules, so if you plan to spend the night, make sure you do your research.

CATTSAR / TripAdvisor Some of the sites have yurts and RV hook-ups, others are for tents only. Click here to check out the Montana State Parks website with information about the different camping options.

Of course, you’re more than welcome to bring a picnic and just stay for the day.

MJ / TripAdvisor While the lake is beautiful in any season, the parks obviously stay packed all summer and calm down quite a bit in the fall. On a cool day, it’s possible to have miles of shoreline to yourself.

You’ll see all kinds of boating, fishing, swimming, and other water sports on the lake in the summer.

montcowgirlup / TripAdvisor To get an up-close-and-personal glimpse of the clear lake water, rent a canoe or kayak, or try paddleboarding for a great workout.

If you can believe it, there used to be even more water here… much more, in fact.

William B / TripAdvisor Scientists say that before the melting of glaciers it was about 500 feet higher.

We’re lucky to have Flathead Lake for a lot of reasons… its beauty and recreation opportunities play a big factor, but also, it has a unique climate that really helps local crops.

Todd S / TripAdvisor You’ll notice an abundance of cherries, wine grapes, and other produce grown in the area. That’s because the mild lake climate allows these crops to prosper. Not every lake has that ability.

Flathead Lake is pretty amazing. It even has its own monster! Have you visited this lovely Montana landmark? Let us know in the comments below, and don’t forget to share photos of your outdoor adventures in our Montana Nature Lovers Facebook group!

Brent Burland / Getty Images

It’s actually divided into smaller state parks, like Big Arm and Wayfarers. Montana Fish, Wildlife & Parks maintains 13 public access sites around the lake.

Josue C / TripAdvisor

There’s an impressive 200 square miles of water here!

CATTSAR / TripAdvisor

Some of the sites have yurts and RV hook-ups, others are for tents only. Click here to check out the Montana State Parks website with information about the different camping options.

MJ / TripAdvisor

While the lake is beautiful in any season, the parks obviously stay packed all summer and calm down quite a bit in the fall. On a cool day, it’s possible to have miles of shoreline to yourself.

montcowgirlup / TripAdvisor

To get an up-close-and-personal glimpse of the clear lake water, rent a canoe or kayak, or try paddleboarding for a great workout.

William B / TripAdvisor

Scientists say that before the melting of glaciers it was about 500 feet higher.

Todd S / TripAdvisor

You’ll notice an abundance of cherries, wine grapes, and other produce grown in the area. That’s because the mild lake climate allows these crops to prosper. Not every lake has that ability.

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