How do you get help if you get hurt while backpacking alone?
If you get hurt backpacking alone, call 911 if you have any signal, then decide whether you can safely move toward a trailhead or should stay put in a sheltered spot. On a multi-day trip you may be a full day from a road and out of coverage for long stretches, so help depends on the itinerary you left behind: your route, your planned campsites, your exit date and a clear rule for when your contact should call for a search.
Step by step
01Leave a day-by-day itinerary
Write down your trailhead, each night's planned camp, alternate exits and the date and time you expect to be out. Give it to a Guardian who will actually act on it. A trip plan is the single most useful thing search teams receive.
02Agree on check-in windows
Backpackers often get signal only on ridges or passes. Agree with your Guardian that you'll try to check in when you reach coverage, and that missing one check-in isn't cause for alarm but missing your exit time is. Put that rule in writing so nobody panics or waits too long.
03Set a return time for the exit, not the day
Holler's return time works well for the final walk out. Set it for when you expect to reach the car, with a generous buffer. If you haven't checked in five minutes after it, your Guardians get an overdue alert from the server, even if your phone is dead or off.
04If you're hurt, make shelter first
A sprain or a fall with a heavy pack can leave you stuck for hours. Pitch your tent or get into your sleeping bag, drink, eat, and keep your gear together. The National Park Service advises staying in one place and using a whistle to signal rather than shouting, which saves energy. Staying warm and dry buys time, which matters more than covering ground on a bad ankle.
05Climb for signal, then send everything at once
If it's safe to move a short distance to higher ground, try 911 there; iPhones also try other carriers' networks for emergency calls when yours has none. Give the dispatcher your trip context: "I'm a solo backpacker on day two of three on the Loop Trail in the Granite Wilderness, near the outlet of Lower Twin Lake, with a badly twisted knee." Read out coordinates from your map app. Then open your share and tap SOS. Holler never contacts emergency services, so either you or your Guardian makes that call.
Related questions
What if I'm out of signal for days?
Then your live link will show only your last known location, and your itinerary and exit time do the work. For long trips in remote country, a satellite messenger or personal locator beacon is the right tool, because a phone app can't send anything without coverage. Our comparison of a satellite messenger vs a phone safety app explains the tradeoffs.
Should I keep hiking if I'm injured?
Only if you can do it safely and it gets you toward help or signal. Descending on a bad knee with a full pack is how a small injury becomes a big one. Lighten the load, leave nonessential gear at a marked spot, or stay put in camp and wait.
What does this look like on a real trip?
Say you're doing a three-day loop and slip on a creek crossing on day two, twisting a knee. There's no signal at camp. You pitch your tent, eat and sleep. In the morning you hobble to a ridge 400 yards away, find one bar, call 911 and tap SOS. If you couldn't move at all, your Guardian would call the county when your exit time passed, using your itinerary and the last position the link showed.
How do I save phone battery on a multi-day trip?
Use airplane mode between check-ins, carry a battery pack, keep the phone warm at night inside your sleeping bag, and only start live sharing on the stretches where it helps. Our solo backpacking guide covers a full power plan.
When should my Guardian call for help?
When your agreed exit time passes and they can't reach you, they should call 911 or the sheriff's office for the county where your trailhead is, give your itinerary, your car and parking spot, and your last known location, and stay available by phone. Decide the exact deadline together before you leave, so nobody hesitates.
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Sources, checked September 2026: National Park Service: Make an emergency plan, National Park Service: The 10 Essentials, Apple Support: Contact emergency services on iPhone.
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