What is the maximum RV length at Big Arm Unit - Flathead Lake State Park?

No RV sites listed (per the listing)

How do I reserve a site at Big Arm Unit - Flathead Lake State Park?

Reservable on ReserveAmerica (per the listing)

Camping at Big Arm Unit - Flathead Lake State Park

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RV parks near Flathead Lake →

View all 12 photos

At a glance

RV sites up to 45 ft
Length limits vary by campsite.
Hookups available
Pets not allowed
Vault toilets
Showers on site.

0 available sites

Available only0 open of 44 sitesTypeRV lengthSortLoopInclude group sites

Check with ReserveAmerica.

We checked every night of your stay on Montana State Parks: no site is open for all 2 nights. Some sites are open on some nights.

Flexible dates

View the next available two-night stay.

Looking for the next open dates…

Fixed dates

Compare nearby campgrounds open for these dates. Your camping setup, rig size, hookups and dates stay applied.

Nearby campgrounds open for these dates

Check Montana State Parks directly ↗

View full availability calendar · night-by-night from ReserveAmerica

Availability on ReserveAmerica. Showing 40 of 45 sites.

Site	Fr 13	Sa 14	Price
A008 loop a	X	X	$14
A009 loop a	X	X	$14
A010 loop a	X	X	$14
A011 loop a	X	X	$14
A012 loop a	X	X	$14
A013 loop a	X	X	$14
A014 loop a	X	X	$14
A015 loop a	X	X	$14
A016 loop a	X	X	$14
B001 loop b	X

Site

Fr
13

Sa
14

Price

A008

loop a

$14

A009

loop a

$14

A010

loop a

$14

A011

loop a

$14

A012

loop a

$14

A013

loop a

$14

A014

loop a

$14

A015

loop a

$14

A016

loop a

$14

B001

loop b

Trip idea

Ideas for your stay

An idea to start from, built from this campground's listing and real tours nearby. Times, openings and prices change, so check each before you go.

Day 1 · Arrive and settle in
- Check in and set up camp.
- go fishing (per the campground listing)
Day 2 · Get out and explore
- Half Day Whitewater Rafting Trip West Glacier area · 2.5 hr · from $77/person
- Half Day Scenic Float on the Middle Fork of the Flathead River West Glacier area · 2.5 hr · from $77/person
Optional full-day extension
Longer tours — plan travel time before and after.
- Full Day Glacier National Park Whitewater Rafting Adventure - With Lunch! West Glacier area · 5 hr–6 hr · from $164/person

Ways to stay

Have an RV waiting

Need an RV for your stay?

Rentals that may deliver here and whose listed length fits sites up to 45 ft. Delivery may be available — confirm fees and dates with the owner before you book.

2017 Subaru Outback With Rooftop Tent (Glacier Airport Pickup/Drop-off)

Camper van · 16 ft · sleeps 3 · 18 mi from campground

$147/night listed · Outdoorsy · Delivery may be available

View rental

FERNIE ANN CAMPERVAN 2006 Ford Econoline

Camper van · 19.3 ft · sleeps 2 · 29 mi from campground

$210/night listed · Outdoorsy · Delivery may be available

View rental

Flathead Zinger Bunk House

Travel trailer · 32 ft · sleeps 8 · 39 mi from campground

$158/night listed · Outdoorsy · Delivery may be available

View rental

Things to do

Activities near Big Arm Unit - Flathead Lake State Park

Bookable tours nearby

Paid experiences on Viator. Distances are from this campground when the tour lists its own start point.

Half Day Whitewater Rafting Trip

West Glacier area · 2.5 hr · from $77/person

Half Day Scenic Float on the Middle Fork of the Flathead River

West Glacier area · 2.5 hr · from $77/person

Full Day Glacier National Park Whitewater Rafting Adventure - With Lunch!

West Glacier area · 5 hr–6 hr · from $164/person

See 6 more bookable tours

Deluxe Full-Day Whitewater with Riverside Lunch

Best time to go

Seasons, rates and how booked it gets

Peak season May 21–Sep 19: per night

Share of site-nights open, booked and closed on Montana State Parks for the next months, checked Nov 7. Months further out may not be released for booking yet.

Month	Open	Booked	Closed
Nov 2026	0%	0%	0%
Dec 2026	0%	0%	0%
Jan 2027	0%	0%	0%
Feb 2027	0%	0%	0%
Mar 2027	0%	0%	0%
Apr 2027	0%	0%	0%
May 2027	0%	0%	0%

Camping at Big Arm Unit - Flathead Lake State Park

At a glance

0 available sites

Amenities & location

Location

Big Arm Unit - Flathead Lake State Park: questions answered

At a glance

Campgrounds to compare

Bucketlist #1

Camp Ka Papa Old US Hwy 93

The Flying Moose QH Ranch

Prefer a roof over your head

Explore nearby

Guides for this trip

Bucketlist #1

Camp Ka Papa Old US Hwy 93

The Flying Moose QH Ranch

Ideas for your stay

Day 1 · Arrive and settle in

Day 2 · Get out and explore

Optional full-day extension

Have an RV waiting

Need an RV for your stay?

Activities near Big Arm Unit - Flathead Lake State Park

Bookable tours nearby

Seasons, rates and how booked it gets

Other sites