A simple ground tarp can make a huge difference in how comfortable and dry your campsite feels. Whether you’re camping in the desert, forest, or by the lake, a properly placed tarp protects your tent, adds insulation, and keeps mud and bugs away. Here’s how to set one up the right way — and why skipping it can ruin your trip.
Modern tents use lightweight materials that can tear or wear through quickly. Placing a tarp beneath your tent acts as a shield against sharp rocks, sticks, and gravel. It also keeps the tent bottom cleaner, which means faster packing and a longer tent life.
When rain hits, ground moisture can seep up through the floor — even on “waterproof” tents. A tarp adds another waterproof layer, stopping that damp feeling you get under your sleeping bag in the morning.
The tarp should be slightly smaller than your tent floor — about two inches shorter on each side. If it sticks out beyond the tent edges, rainwater can pool and flow under your tent instead of away from it.
Use grommets or simple tent stakes to keep the tarp flat and tight. If the weather looks rough, dig small drainage trenches so water can flow off instead of puddling beneath you.
A tarp also helps seal the bottom of your tent against ants, beetles, and other critters. Keeping it snug and tucked under prevents entry points for insects — especially when paired with keeping your zippers fully closed.
A $10 tarp can make your $200 tent last for years — and keep your nights dry and comfortable. If you’re building your camping setup, it’s one of the best first upgrades you can make.
👉 Check out our recommended ground tarps and footprint options on Amazon to find one that fits your tent size perfectly.