Hammock camping basics: hang it right, sleep warm
Why a hammock is not just a tent in the air
A hammock sleep system is light and packable, gets you off the ground in wet weather or soggy sites, and — the advantage tent campers underestimate — works on sloping or uneven ground where no flat tent pad exists, as Public Lands' hammock-camping guide lays out. In exchange, it asks you to learn two skills a tent never does: a repeatable hang, and a different answer to staying warm. Both are learnable in one backyard afternoon, and both are unforgiving if you first attempt them at a campsite in the dark.
The good news is that the hang is a geometry problem with published numbers, not a talent. Tree distance, strap height, suspension angle, and loaded seat height constrain each other, and when all four sit in their ranges, the hammock is comfortable almost regardless of brand. When one is off, the symptoms are diagnostic — shoulder squeeze, a banana-deep sag, or a seat height you need a running start to exit. This guide gives the numbers, the step-by-step hang, the warmth fix, and a practice routine with a success check, so the first real night is the second time you have done all of it.
The four numbers that decide the hang
Distance. Look for two sturdy, mature trunks spaced to fit your suspension — typically 10 to 20 feet apart across the guides, with one safety guide's FAQ putting the comfortable band at 15 to 20 feet. Steer clear of trees with large dead or broken branches overhead, and of trunks showing signs that wildlife lives in them. Follow Leave No Trace spacing as well: camp at least 200 feet from water.
Strap height and angle. Wrap wide tree straps around each trunk — about six feet up, roughly head height in the BattlBox guide — and aim for the suspension to leave the tree at about a 30-degree angle from horizontal once you are in. That angle is the master variable. Much flatter, and the forces on the straps and trees multiply while the fabric walls close in on your shoulders; much steeper, and the hammock becomes a deep banana that is miserable to sleep in and awkward to exit.
Loaded height. The lowest point of the occupied hammock should sit about 18 inches off the ground — standard chair height. That number is a safety figure as much as a comfort one: it makes getting in and out easy, and if any part of the system ever fails, you are falling from chair height onto the ground you inspected, not from standing height onto whatever you did not.
Strap width. Use straps, never bare rope, against bark. The guides converge on wide webbing — 1.5 to 2 inches wide in the Public Lands guide — because width spreads the load and protects the tree's cambium layer. A site point the guides state plainly: hammocks have no vestibule, so your pack sleeps under a waterproof cover or a plain garbage bag, not under the hammock's dignity.
The hang, step by step
- Pick and inspect the trees. Two sturdy, mature trunks in the distance band, no dead branches above, ground below free of rocks and sharp debris, site at least 200 feet from water.
- Wrap the straps. Around each trunk at about six feet, flat and snug; feed the looped end through the single loop and pull tight so the strap grips the bark without sliding.
- Clip in the hammock. Carabiner one end to a strap loop, walk to the second tree, clip the other end. The empty hammock should hang with a gentle sag — a curve, not a tightrope.
- Check the angle. Eyeball the suspension against the 30-degree target. Too flat: move the carabiners to loops that shorten the span. Too deep: lengthen it.
- Load-test before you commit. Press down firmly on the centre with your hands, confirm the straps are not sliding down the trunks, then sit slowly and let the suspension settle.
- Verify loaded height and feel. Seated centre about 18 inches off the ground. If the fabric walls press your shoulders, the hang is too tight — loosen the suspension slightly and let the fabric open up; a diagonal lie becomes possible only with that sag.
- Rig the weather layer now, not later. Run the ridgeline (taut, roughly six inches above the hammock's lowest point on the beginner guide's setup) and hang the tarp over it while the light is good. Rigging a tarp in the dark, in rain, is a different and worse hobby.
Success check: you can sit down into the hammock and stand back up without using your hands on the ground, the straps have not moved on the bark after a full-weight sit, and lying diagonally feels flat rather than folded. If all three hold, the hang is right and repeatable — note which strap loops you used, and the next hang takes minutes. Setup genuinely does compress to about five to ten minutes once the routine is familiar.
Why hammocks sleep cold — and the actual fix
Every first-time hammock camper's cold night has the same cause, and it is not a thin sleeping bag. In a tent, your bag's insulation lofts underneath you against the ground. In a hammock, your body weight crushes the insulation beneath you flat, and moving air under the hammock carries away what little warmth remains. The warm bag is irrelevant below your shoulders because compressed insulation does not insulate. That is why the safety guides list insulation — specifically an underquilt or a sleeping pad — as a vital, non-optional layer for hammock camping, separate from the bag or top quilt you sleep under.
| Under-insulation | How it works | Strength | Watch out for |
|---|---|---|---|
| Underquilt | Hangs beneath the hammock, loft uncompressed | Warmth where the cold actually attacks; nothing inside the hammock to slide off | Another piece of gear to pack and rig |
| Sleeping pad | Sits inside the hammock under you | You may already own one from tent camping | Can shift or bunch during the night; narrower than the hammock's curve |
Add the other two named layers and the system is complete: a rain tarp above, which also cuts the wind that makes under-insulation work harder, and a bug net in insect season. Check the forecast before you commit to a site, and avoid flood-prone ground and exposed high-wind spots — a hammock is a sail with a person in it. None of this is brand-specific, which is deliberate: no hammock model was spec-verified for this guide, and the system works with any sound hammock precisely because the physics does not care about logos.
The backyard practice routine
The beginner guidance is unanimous on one point: run the whole system at home first. Practise the hang in a backyard before the first overnight trip, including the tarp and the under-insulation, and ideally lie in it for an hour with a book. You are rehearsing three things at once — the strap-loop settings for your usual distance, the diagonal lie, and your exit move at 18 inches. A campsite adds darkness, weather, and an audience to each of those; a backyard adds none. Campers who skip the rehearsal almost always hang too tight on night one — the guides name it as the most common beginner error — because a tight hammock looks secure and a sagging one looks wrong until you have slept in both.
FAQ
How far apart should the trees be? Typically 10 to 20 feet, fitting your suspension; several guides put the sweet spot around 15 to 20 feet. Too close forces a deep banana; too far can exceed standard straps.
Why not just use rope? Rope concentrates the load into a thin line that cuts bark and damages the tree. Wide straps — 1.5 to 2 inches — spread the same load and are the Leave No Trace standard.
Where does my pack go? A hammock has no vestibule. Cover the pack with a waterproof cover or a garbage bag and keep it under the tarp's edge.
Do I need an underquilt in summer? You need under-insulation whenever nights are cool enough that moving air under you feels cold — for most campers that is most nights. A pad you already own is the budget route into the system.