70L Hiking Backpack: Is It the Right Size for You?
Find out whether 70L gives you the right balance of space, flexibility and practicality—or whether a smaller or larger pack would make more sense.
The Short Answer
A 70L hiking backpack can be a practical choice for multi-day and extended trips, especially when you carry bulky camping equipment, several days of food, additional clothing or equipment for changing weather.
Is 70L Right for Me? — Quick Quiz
Result: Select all options above.
What Does 70L Actually Mean?
70L = approximate storage volume. It does not mean 70 kg, a specific maximum load, a specific number of hiking days, or a guarantee that everything will fit.
Who Is a 70L Backpack Actually For?
🏕️ Multi-Day Campers
People carrying complete shelter and sleeping equipment
🥾 Extended Hikers
People spending several days on the trail
❄️ Cold-Weather Hikers
People carrying bulkier clothing and sleeping systems
🍚 Limited-Resupply Hikers
People carrying more food between resupply points
👨👩👧 Group Campers
People carrying shared equipment
Who Probably Doesn’t Need a 70L Backpack?
More capacity is useful only when you have something that needs the space.
70L vs Trip Duration
How Much Can You Actually Fit in 70L?
70L = substantial capacity, but actual usable space depends on the shape and packed size of your equipment.
70L vs 60L — Which Size Should You Choose?
If your essential equipment comfortably fits in 60L, moving to 70L isn’t automatically an upgrade.
70L vs 80L — Is the Extra Space Worth It?
70L for Camping
Camping increases your volume requirements because you’re carrying equipment for both transportation and overnight living.
70L for Extended Outdoor Adventures
Does Weather Change Whether You Need 70L?
☀️ Warm
Generally less bulky clothing
🌧️ Wet
Additional rain protection and dry-storage considerations
❄️ Cold
Potentially larger sleeping bags, insulation and additional layers
REI notes that larger packs can become useful for winter trips because warmer sleeping bags, extra clothing and four-season tents can require more volume.
Food and Resupply
70L Backpack for Beginners
Lay out your actual equipment before purchasing the backpack. Don’t buy 70L simply because you’re planning a “long trip.”
70L Backpack Fit Matters
Washington Trails Association recommends considering the fit of the pack to your frame and practicing with your actual packed equipment before heading out.
70L Backpack Features to Look For
🎒 Adjustable Torso
Useful for dialing in fit
⚖️ Internal Frame
Useful when carrying substantial loads
🧍 Hip Belt
Important for distributing the load
🧳 Compression Straps
Help stabilize partially filled packs
💧 Water-Bottle Pockets
Convenient access
🌧️ Rain Protection
Useful in wet conditions
🔧 Durability
Important for repeated outdoor use
How to Pack a 70L Backpack
Don’t Fill 70L Just Because You Have 70L
70L for Different Hiking Styles
🎒 Minimalist
May prefer less capacity
🏕 Traditional Camper
70L can provide useful room for conventional gear
😌 Comfort-Focused Camper
70L may make sense for extra personal equipment
👨👩👦 Family/Group Hiker
70L may become useful when carrying shared equipment
The 5-Minute 70L Capacity Test
- Collect everything you plan to carry
- Pack it into your current backpack or boxes
- Identify bulky items
- Remove unnecessary duplicates
- Estimate whether your actual gear requires more space than your current pack
Fits comfortably → smaller capacity may be enough. Barely fits → 70L may provide useful flexibility. Still doesn’t fit → consider a larger pack or reduce gear volume.
Interactive 70L Load Builder
Estimated gear volume: Select all options above.
When 70L Is Probably the Better Choice
- ✅ Your 60L pack is regularly crowded
- ✅ You carry complete camping equipment
- ✅ You take multi-day trips
- ✅ You carry several days of food
- ✅ Your gear isn’t extremely compact
- ✅ You sometimes need extra clothing
- ✅ You want additional flexibility without moving all the way to 80L
When 70L May Be Too Large
Common 70L Backpack Buying Mistakes
Quick 70L Decision Chart
Interactive FAQs
Is a 70L backpack good for hiking?
Yes, it can be useful for multi-day and extended hiking where you need substantial equipment and supplies.
Is 70L too big for a weekend hike?
It can be more capacity than necessary for compact weekend setups, but bulky camping equipment can change the calculation.
How many days is a 70L backpack for?
There is no fixed number. Trip duration, gear bulk, weather and resupply all affect the answer. REI places 70L+ packs in its extended-trip category while also including 50–80L packs within its multiday range.
Is 70L enough for camping?
For many camping setups, 70L can provide substantial room for shelter, sleeping equipment, clothing, food and cooking gear.
Is 70L better than 60L?
Only if you genuinely need the additional space. See comparison.
Is 70L better than 80L?
If your gear fits comfortably in 70L, there may be little reason to move to 80L. If your equipment is consistently bulky, 80L may provide more flexibility.
Can beginners use a 70L backpack?
Yes. Beginners should focus on fit, actual gear volume and realistic trip requirements rather than choosing capacity based only on the number of days.
What fits in a 70L backpack?
Depending on the packed size of the equipment, it can accommodate shelter, sleeping equipment, clothing, cooking equipment, food, navigation and personal gear.
Does a 70L backpack weigh 70L?
No. Liters describe volume, not weight.
How do I know if my 70L backpack fits properly?
Check torso length, hip-belt positioning, shoulder-strap adjustment and overall stability with a realistic load.
Final Decision
🟢 70L Is Probably Right
- Complete camping equipment
- Multi-day trips
- Moderately bulky gear
- Need room beyond 60L
🟡 Compare 60L and 70L
- Compact equipment
- Want additional flexibility
- Unsure about capacity
🔵 Consider 80L
- Consistently bulky gear
- Substantial shared equipment
- Significantly more supplies
Don’t choose a 70L hiking backpack simply because your trip is long. Choose it when your actual equipment needs the space. If everything essential fits comfortably into a smaller pack, there may be little benefit in carrying extra capacity. If your current pack repeatedly feels cramped, 70L can provide a useful middle ground before moving to an even larger pack.
Where the AdventureSupplier 70L Backpack Fits
If your gear matches the 70L profile, the AdventureSupplier 70L Adventure Backpack is worth comparing. For deeper guidance, see The Complete Guide to 70L Hiking Backpacks and Complete guide to choosing a 70L hiking backpack.
For more expert advice, REI’s backpack guide and REI fit adjustment are excellent. The Washington Trails Association backpack guide offers practical selection advice. The National Park Service hiking safety page and US Forest Service offer valuable preparation tips. The American Hiking Society and Leave No Trace provide additional trail insights. Always check weather conditions and NOAA for environmental updates before heading out.
Ready to Choose Your Backpack Size?
70L is worth considering if your actual equipment needs more room than a 50–60L pack but doesn’t consistently justify an 80L pack. Choose based on your gear, not just the number on the label.
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