Welcome! The FAQs at the link below have suggestions on BC camping trips and the BC permit process. They should help get you started. I've excerpted the relevant parts, but there is much more in the overall document if you are interested.
http://glacier.nationalparkschat.com/ph ... ?f=1&t=580
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BACKPACKING AND BACKCOUNTRY CAMPING
Q. What are the requirements for backcountry backpacking and camping?
A. Glacier offers backcountry camp sites throughout the park. These are the only places where backcountry camping generally is allowed. Overnight camping at these sites requires a Backcountry Use Permit that specifies your itinerary and the camp site(s) to which you and your group are assigned. It must be in your possession and available for inspection by a ranger at all times.
There are two ways to obtain a Backcountry Use Permit: an advance reservation obtained through the park’s lottery system or a walk-up permit obtained in person from one of the park’s backcountry reservation offices.
Advance reservations are issued for approximately half of the campsites at each Glacier backcountry campground. Any reservation made more than one day prior to the start of a backcountry trip is considered an advance reservation and requires a $20 reservation fee. This fee is not charged for reservations made within one day of starting a trip. Advance reservation applications are accepted only for trips that begin between June 15 and October 31.
Q. What are the advance reservation procedures?
A. Advance reservation applications may be submitted by mail or fax starting January 1 of each year. Applications are accepted only on the official form available on the park website at:
http://www.nps.gov/glac/planyourvisit/u ... cation.pdf
A maximum of two trips may be included on a single form, and each trip may include a first and second choice of itinerary. A trip is defined as an itinerary that enters and then exits the backcountry at a trailhead or developed area.
Assignment of camp sites is made via a lottery that begins on April 15. All applications received by April 15 are randomly sorted before being processed. Applications received after April 15 are processed in the order received. If you want a specific backcountry route on specific dates, it is essential to submit an advance reservation application by April 15 as the number of requests generally exceeds the number of backcountry campsites available for advance reservation.
Once the lottery process is completed (it may take several weeks), you may apply for an advance reservation up to 24 hours before the start of your hoped-for trip. Keep in mind, however, that the most popular sites may already be assigned and you may not get your first choice. As an alternative, you may take advantage of the park’s walk-up permit process outlined below.
Q. What is the procedure for obtaining a walk-up permit?
A. Approximately half of all backcountry camp sites are assigned via the walk-up permit process. Walk-up permits may be obtained in person from any of the backcountry offices listed below. A walk-up permit is issued no earlier than 24 hours before your hoped-for trip. In other words, if you want to start your trip on August 15, you can apply no earlier than August 14. You should plan to be at the office at least one hour before it opens to be first in line for permits issued for the following day. If you're not early, your chances of getting the most popular sites diminish greatly. Some folks recommend using the backcountry office in Apgar on the park’s western edge since that is where the "mother ship" computer is located, but all backcountry offices are tied into the same system.
• Apgar Backcountry Permit Center (open daily from May 1 through October 31)
• Many Glacier Ranger Station (open daily from late May to mid-September)
• St. Mary Visitor Center (open daily from late May through September)
• Two Medicine and Polebridge Ranger Stations (open daily from early June through mid-September)
• Waterton Lakes National Park Visitor Reception Centre (open daily from early June through mid-September)
Q. How can I be sure to get the backcountry trip/route I want?
A. There is no way to ensure that any specific backcountry route or camp site will be available for advance registration or via the walk-up process. You can improve your chances of getting a specific route or campground by planning early and submitting your advance registration application before April 15. You also can increase your chances by indicating flexibility in your application. This may include allowing changes to your requested itinerary, reversing directions on loop or through hikes, and being flexible in terms of the dates you are able to enter and leave the backcountry.
Detailed information on backcountry camping in Glacier can be found at:
http://www.nps.gov/glac/planyourvisit/backcountry.htm
Note: There is a specific “Backcountry Permits” section on this site at: viewforum.php?f=10
Q. What are the best backcountry loop hikes in Glacier?
A. Glacier’s backcountry provides a wealth of beautiful trails and backcountry campgrounds allowing for short or long backpacking trips. Since transportation sometimes can be problematic, loop (circular) hikes are popular, though the Glacier trail system does not provide many true loop-hike opportunities. Several of the most popular multi-day loop hikes include:
• The North Loop (Many Glacier area) – This challenging but gorgeous route starts and ends in the Many Glacier region. It follows Swiftcurrent Pass west over the Continental Divide to the Granite Park area, continues north along the spectacular Northern Highline Trail to its intersection with the Stoney Indian Pass Trail, crosses beautiful Stoney Indian Pass, and enters the peaceful Belly River Valley. From there, trails offer two routes back to the Many Glacier area. One takes the Ptarmigan Tunnel into Many Glacier from the north, while the other crosses Red Gap Pass and enters Many Glacier from the east/northeast. This trip generally requires five to seven days, covers 54-62 miles, and rises/falls between 9,800 and 10,600 feet depending on the precise route and direction. The route can be hiked either clockwise or counter-clockwise. More information and photos on the Northern Highline and Fifty Mountain portions of this route at:
http://enjoyyourparks.com/glacierparkfiftymountain.html. Information and photos on the Ptarmigan Tunnel portion of the hike at:
http://enjoyyourparks.com/GlacierParkPt ... unnel.html
• Red Gap Pass – Ptarmigan Tunnel Loop (Many Glacier area) – At 28 miles, this is a shorter variation of the North Loop and usually includes one night at Poia Lake and another at Elizabeth Lake (foot) as it follows the Red Gap Pass and Ptarmigan Tunnel trails. Most commonly completed as a three-day, two-night trip. More information and photos of the Ptarmigan Tunnel portion of the route at:
http://enjoyyourparks.com/GlacierParkPt ... unnel.html
• Dawson Pass / Pitamakan Pass Loop (Two Medicine area) – As previously described in the day hiking section, Daw-Pit is a highly scenic route that can be completed as a long (19-mile) day hike or as a one- or two-night backcountry route with a proper permit. Campsites along this route are at Oldman Lake below Pitamakin Pass and No Name Lake below Dawson Pass. More information and photos at:
http://enjoyyourparks.com/GlacierParkTwoMedicine.html
There also are many popular overnight or multi-day backpacking routes that can be turned into loops with one day of backtracking or by using the hiker shuttle.
Q. What about through hikes for backcountry camping?
A. Two of the most popular through hikes for backcountry campers in Glacier are:
• The Northern Traverse – The Northern Traverse is a rugged and strenuous multi-day backpack that roughly parallels the northern edge of Glacier National Park. This route typically begins at the Chief Mountain customs and ranger station in the northeast corner of the park and ends at Kintla Lake in the park’s northwest corner. This highly scenic trek typically requires six to eight days and covers 58 to 66 miles depending on specific route and campsites. Total elevation gain along this route is approximately 10,200 feet and the total elevation loss is approximately 11,660 feet. Several campsites along the western portion of this route often do not open until early August or later due to unsafe snow conditions.
The hike also can be started from the Many Glacier area by going through the Ptarmigan Tunnel or via Lee Ridge and the Gable Pass trail. These two options offer spectacular scenery but also make for a tough first day. From the Lee Ridge trailhead to a first night camp at the foot of Elizabeth Lake a backpacker will climb over 2,450 feet to the intersection with the Gable Pass trail. Then they will descend just over 3,000 feet over the next 3.6 miles to the Belly River Ranger Station. From there, four easy miles in the Belly River Valley will deliver you to the camp at the foot of beautiful Elizabeth Lake.
Starting the Northern Traverse from Chief Mountain eliminates virtually all of the uphill and cuts approximately three miles off the first day’s hike.
Starting from Many Glacier the trail will climb 2,480 feet before reaching the Ptarmigan Tunnel and descending to the foot of Elizabeth Lake, offering spectacular scenery throughout the 10-mile first day. Additional information and photos on the Ptarmigan Tunnel portion of the hike at:
http://enjoyyourparks.com/GlacierParkPt ... unnel.html
Note: This route requires extensive transportation planning. Shuttle service is available to the trailhead at Chief Mountain. However, the Kintla Lake exit at the end of the Inside North Fork Road is one of the most remote areas of the park and is not served by any park transportation. Unless pick-up arrangements have been made, it will be necessary to leave a vehicle at the exit before beginning your trip. This process requires two vehicles (one to leave, the other to drive back out) and as much as a full day to accomplish. More information on the Inside North Fork Road at:
http://enjoyyourparks.com/GlacierParkNorthForkArea.html
• Gunsight Lake / Lake Ellen Wilson – This popular route begins at the Jackson Glacier overlook on the eastern side of the GTTS Road. It travels southward and includes one night at scenic Gunsight Lake (6.2 miles, climbs 500 feet), a 1,670-foot climb over Gunsight Pass and a steep 1,017-foot descent to the campground at beautiful Lake Ellen Wilson (5.0 miles). From there, the trail climbs 1,120 feet to Lincoln Pass followed by a steep descent past Sperry Chalet and a long forested descent to the GTTS Road directly across from Lake McDonald Lodge (9.1 miles from Lake Ellen Wilson and 3,382 feet total descent from the top of Lincoln Pass). The route covers 20.3 total miles and typically is hiked over three days and two nights (a third night at Sperry Chalet is an option). Ambitious day hikers can complete the entire route in a single long day.
Hikers using this route may leave a car at Jackson Glacier overlook and return to their vehicle via the hiker shuttle from Lake McDonald Lodge.
Worthwhile side hikes along this route include a 3.6-mile round trip visit to Jackson Glacier from the Gunsight Lake campsite and a steep and strenuous 1,600-foot climb from Sperry Chalet to the foot of Sperry Glacier (approximately seven miles round trip).
More information and photos of this route available at:
http://enjoyyourparks.com/GlacierParkGunsightPass.html
There are many more backcountry route combinations and camp sites available throughout the park. A map of Glacier’s backcountry trails and camp sites is located at:
http://home.nps.gov/applications/glac/b ... bcmap.html.