BLM Land near Glacier

East or west side???

Here’s the BLM website...

https://www.blm.gov/visit/search/9/ND%2CSD%2CMT/0/1

west

west

We spent several days camped near Hungry Horse Reservoir, which has both campgrounds ( boondocking) and BLM areas available which is just west and south of Glacier. Good road around the reservoir and very scenic! I think that we accessed it through the little town of Martin. memtb

https://www.visitmt.com/listings/general/lake/hungry-horse-reservoir.html

Not much for BLM, many NFS.
Try this interactive website.
UScampgrounds.info