
The North Face
Wawona 6
Spacious vestibule, strong in storms, but rainfly tricky solo.

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I have a Carlsbad 8 person that’s 15x12 but we also bring along our Sundome 4 person for situations that won’t allow the 8 person. As others have said, most National Park grounds list the pad site size. Also, speaking of downsides. Larger tents create a larger profiles. It can be detrimental in situations such as strong winds.
I got the Carlsbad Dark Room. It’s a four person so it’s a little more work to set up alone but it’s getting easier the more I use it.
I just went camping with this Coleman tent: https://imgur.com/a/7DFGpIy “ Coleman Weatherproof 4-Person Cabin Tent with Screened Porch” I loved it. Wasn’t too difficult to setup alone. Lots of space inside for a 4 man tent. Big windows but able to be zipped up. Windows allow airflow even with rain fly on it. It was an upgrade from a Coleman sun dome. I also have a 6 man Coleman with porch as well for when I take the kids with me and it was easier and lighter than that one. That 6 man one also allows no airflow with the rain fly on. This 4 man Coleman one is the best of both worlds. Prices on this one are wild. Anywhere from $119-$200 depending on who’s selling it. I got it for $150 shipped.
I’ve used a 6P Darkroom year round, including in/on snow, including an 8” overnight drop. I do use a cot and either alone or with 1 other person, also on a cot.
Dark rooms are actually a game changer
This was going to be my recommendation. If your kids nap during the day it'll make your trip so much easier.
If you are car camping then honestly Coleman is my favorite. Tarpaulin bottom, sturdy, long lasting, and inexpensive. The downside is they are heavy, which doesn't matter when car or canoe camping. The instant cabin tents go up very easily as one person. But if you are in a really windy area then a dome would be better.

The North Face
Wawona 6
Spacious vestibule, strong in storms, but rainfly tricky solo.

Gazelle Tents
T4 Hub Tent Series
Fastest setup, durable, but bulky and awkward door.

Durston
X-Mid 2
Ultralight, spacious 2P, but not for very strong winds.

Durston
X-Mid 1
Budget ultralight 1P, spacious, but large footprint.

Naturehike
Mongar 2 Backpack Tent (Nylon)
Budget 2P, spacious for price, but not for 4 seasons.

Ranked #1
Durston - X-Mid 2

Ranked #1
Gazelle Tents - T4 Hub Tent Series

Ranked #1
Gazelle Tents - T4 Hub Tent Series

Ranked #1
Durston - X-Mid 2

Ranked #1
The North Face - Wawona 6

Ranked #1
SlingFin - Portal 2