| What it is | Cord anchoring tent to a stake |
| Purpose | Taut pitch + wind stability |
| Adjust with | Line-loc / taut-line hitch |
| Matters most | In wind and storms |
A guy line (or guyline) is a cord running from a tent’s fly or attachment points to a stake in the ground, used to tension the tent for a taut pitch and to anchor it against wind. Adjustable tensioners (line-loc or taut-line hitches) let you tighten them, dramatically improving stability in storms.
When to deploy them
Use them in wind even on a freestanding tent, and always on a tunnel tent, to tension the rainfly.
Frequently asked questions
What is a guy line?
A guy line is a length of cord that connects a tent's rainfly or designated guy-out points to a stake in the ground. By tensioning these lines you pull the tent taut and anchor it, which keeps the fly from flapping and helps the tent withstand wind.
How do you use guylines?
Attach each guyline to its guy-out point, run it out at roughly 45 degrees, stake it, then snug it with the line tensioner so the fabric is taut without over-stressing seams. Use more guylines and tighter tension as wind increases, and re-tension if the lines slacken overnight.
Do you need guylines if your tent is freestanding?
Even freestanding tents benefit from guylines in wind — they keep the tent anchored and the fly taut for better weather protection and ventilation. In calm conditions you can skip some, but deploy them whenever wind or storms are expected.
Sources
- Pitching a tent — American Hiking Society