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Gear and equipment

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What backpack size do i need for a 3-week trip?

Posted by TopDollar on 8/4/2015 at 15:57

I'm about to go on a survival-trip for 3 weeks. I intend to bring as few materials as possible, so there will be more room for food.
Im not going to be resupplying, so i will only carry what i pack before i go. I've looked at backpacks around 75L, but im not sure this will be enough, given som "youtubers" keep calling the 75L "great for a week-long trip".

Should i perhaps go for 88L, or stick to the 75L, and if 75 is enough, can you recommend the Osprey Xenith, or is there a backpack i should look at also?

#1 TopDollar has been a member since 8/4/2015. Posts: 2

Posted by antoniamitchell on 9/4/2015 at 01:42

I think you might be on the wrong forum - most people on this site will have only used backpacks for normal travelling (where the rule is the-smaller-the-better, so most would probably recommend a 45L or a 55L). But you're talking about survival trips, where I'm assuming you need to carry sufficient food for your trip, and I'm afraid that I have no idea how much space 3 week's worth of dried food, nuts, and protein bars (or whatever type of food you use) would take. Sorry! Hopefully there are survival sites out there where you might have better luck finding people with specialist experience.

#2 antoniamitchell has been a member since 13/5/2012. Posts: 570

Posted by TopDollar on 9/4/2015 at 02:53

Oh i see, thank you for notifying me :)

If there would be a person who knows this, i would still appreciate ideas.

#3 TopDollar has been a member since 8/4/2015. Posts: 2

Posted by HansDN on 1/6/2015 at 07:17

If using dried food, rice, oatmeal, nuts, ... I need aprox 600-700gr of food per day when walking about 20km in the mountains (excluding water).
So for 21 days that's around 13-15kg of food.. And then probably another 7-10kg of gear. (don't know what you're bringing though)
That's a lot of weight.. but possible if you really want to cut off resupplies. Don't know if you're planning on walking a lot everyday..?

Osprey xenith 75 should be enough of room for this, if you only bring essentials. Even an Aether 60/70 is an option if you like the osprey fit. Fit is important with this kind of weight on your back, go the a store and try them out!

#4 HansDN has been a member since 30/11/2014. Posts: 3

Posted by travellingtonyc on 7/7/2015 at 12:12

It depends how remote it is but being in the Army, I can tell you that is not big enough! We use that up in a week.

#5 travellingtonyc has been a member since 2/7/2015. Posts: 2

Posted by Gogomobile on 8/7/2015 at 00:35

I owned a bp for 10 yrs and never knew the size. Its a bag. Buy whatever bag u like.

#6 Gogomobile has been a member since 14/4/2015. Posts: 412

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