A three-day trip is the awkward length. Too long to under-pack, too short to justify the full kit. Most people solve it by bringing everything and using a third of it.
Here is a way to think about it that cuts the pile down.
The test
Every item has to answer one of two questions: will I use this every day, or does its absence end the trip?
A stove is used daily. A first aid kit ends the trip if it is missing. A second lantern does neither, and it is why your bag weighs what it does.
Sorted by where it lives
The other useful sort is not what an item does but where it sits. Things fail when they are packed in the wrong layer.
On your belt
What you need without stopping or setting anything down.
- Knife or multi-tool. Sheathed, not loose in a pocket.
- A small pouch for the handful of things you reach for constantly, which is different for everyone. Ours is a foraging pouch, worn for exactly this.
- Headlamp. On you by mid-afternoon, not in the bag.
In the day bag
Water, layer, food, map, the camera you will actually take out.
In the truck or at camp
Everything heavy and everything you only touch at the fire. Cooking kit, chairs, spare fuel, the cooler.
The camp kitchen
This is where three-day trips go wrong most often, because food is where people over-plan and under-prepare at the same time.
- Prep at home. Chop, portion, marinate. Doing it on a tailgate in the wind is not the good part of camping.
- Bring seasoning, not a pantry. Salt, pepper, one chili, one thing that makes anything taste intentional. A field kit keeps them in glass and stops the ziplock-tears-in-the-bag problem.
- One pot fewer than you think. Every pot has to be washed with water you carried in.
- Named mugs if there is a group. Explained at length in the camp mug that earns its name.
The Nevada-specific part
If the long weekend is spent within a few hours of Las Vegas, two things catch people out.
The temperature swing. Higher elevation drops thirty degrees or more after dark, even at the end of summer. People pack for the daytime forecast and spend the night awake.
Water. There is not any. Whatever you plan to drink, cook with and wash with comes in with you, and the amount is always more than the estimate.
The last pass
Lay everything out before it goes in the truck and remove three things. There are always three. It is usually a spare knife, a second jacket and a piece of cookware.
If you are heading out to look for something rather than just sit still, what goes in a foraging pouch covers that side of it.