Marmot Thor 3 Person Dome Tent Review

The Thor Fly Open

Marmot's Thor 3 With the Fly Open
  • Marmot Logo
  • Manufacturer: Marmot
  • Model: Thor
  • Sleeping Capacity: 3 Persons
  • Designed For: 4 Seasons
  • Best Use: Base Camp and Expeditions
  • Type: Dome Tent
  • Available in: Other Sizes
  • ** Affiliate disclosure **
  • MSRP: $749.00
  • Manufacturer: Marmot
  • Model: Thor
  • Sleeping Capacity: 3 Persons
  • Designed For: 4 Seasons
  • Best Use: Base Camp and Expeditions
  • Type: Dome Tent
  • Available in: Other Sizes
  • ** Affiliate disclosure **
  • MSRP: $749.00

Thor 3 Pictures and Videos

Click on an image or video to enlarge them!

The Thor With the Fly Off

Marmot Thor 3 With the Fly Off
Fly Closed on the Thor 3

Fly Closed Thor 3

A video about the Thor 3 tent.

Another video about Marmot's tents.
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Logo Representing the Features Section


  • Freestanding: Yes
  • Color: Blaze, Gray
  • Number of Rooms: 1
  • Number of Windows: None
  • Number of Doors: 2
  • Zippers: Jingle-Free Nylon Zipper Pulls
  • Storage Pockets & Gear Loft: Yes, N/A
  • Mesh Roof & Walls: No, Half
  • Footprint: Not Included, Available Separately
Logo Representing the Materials Section

Materials and Extras

  • Inner Walls: 20D 100% Nylon No-See-Um Mesh F/R & 40D 100% Nylon Ripstop F/R
  • Fly: 50d 100% Poly RS SI/PU F/R
    Fly Waterproof Ratings: 3000 mm
  • Floor Materials: 70d 100% Nylon W/R F/R
    Floor Waterproof Ratings: 10000 mm
  • Pole Material: Aluminum DAC Featherlite NSL
  • Number Of Poles: 6
  • Pole Dimensions: 9.6mm
  • Guy Lines & Guy Outs: Yes, Yes
  • Stakes: N/A
Logo Representing the Dimensions Section


  • Floor Area: 47 sq. ft.
  • Center Height: 3 foot. 9 inches.
  • Packed Weight: 11 Lbs 4 Oz
    Trail Weight: 10 Lbs. 2 Oz.
  • Packed Size: 25 x 7 inches.
  • Number of Vestibules: 2
    Total Vestibule Area: 24.00 sq. ft.
    (2 x 12)
  • Screened Areas: None
  • Awnings: None

Tent Set Up

Pretty easy to setup, but with all the poles it might be a bit confusing for the first time or 2.

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Summary: Favorable Reviews

Campers who purchased the tent said: They couldn't ask for a better tent. It sets up in just a few minutes and has a fair amount of ceiling height along with an easy to use rain fly. The tent is spacious for two people, which is excellent when considering all the extra gear needed in the winter. Set up was a breeze, along with the break down both were a breeze. Withstands high winds, excellent ventilation, plenty of pockets to stash small gear in, and an excellent sized vestibule.

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Summary: Unfavorable Reviews

People who bought the tent reported: It is quite heavy. The ventilation is not the best when the fly is fully closed. It can get hot in the sun, so do not forget to open the vent on top of the fly! A little complicated to set up in -20C temperatures with snowshoes on but worth the effort. Heavy in an already heavy winter backpack.



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The Thor 3 has two doors and a peak center height of 3' 9, which is a tiny bit less than the average height of the 139 various 3 person tents we have examined With 47 square feet of room inside, it is a little bit smaller than some other 3-person tents, and it could be a little cramped for you and, up to two other campers during the 4-seasons, this tent is approved for use in, smaller tents similar to this one often can make a really nice choice for people that appreciate spending lots of hours outside of their tent exploring.

A few of the great things about dome tents are, that they are generally speaking not too heavy, making them simple to carry around. In most all cases, tents used for backpacking are of the dome type. They are generally speaking, freestanding and very straightforward to set up. In good weather, you can do without guy lines and stakes, not that this is recommended.

Dome tents are the most common of all the other types of tents you will see when camping. They tend to do better in bad weather than other types, allowing water to easily slide off the sloped sides, unlike cabin tents that have flat roofs, resulting in the rain pooling on the top of the tent. The most basic dome tent should have a rectangular floor, slanted walls a couple of poles which converge in the middle of the roof. Due to the way they are made, it is typically considered that they are best for up to a maximum of 6 campers.

Underneath you can browse an account of the tent's strongest and weakest points.

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  1. Freestanding. The Thor can support its own weight on any terrain. It does not even have to be staked down in most cases. But in case of strong winds, it is always best to secure it to the ground with the included steel stakes and guylines.
  2. Vestibules. Having two vestibules. Gives you a place to store shoes and other things that can get dirty, muddy, this is a big plus.
  3. Internal storage. It is good to see Marmot has added a gear loft and pockets in the interior to store some of your things.
  4. More than one door. With 2 doors, it is easier to get in and out of the tent, in the middle of the night if needed.
  5. Durable, water-resistant floor. The floor material is 70d 100% Nylon W/R F/R, which is a substantially thick and high-strength fabric. Meaning the base is not prone to tears and punctures. Also, the material has a 10000 mm waterproofing rating, which is very good for most circumstances.
  6. Available in other sizes. Marmot has also made this model available in Other Sizes.


  1. Not spacious. With a floor area of 47 square feet, the Thor 3 is smaller than quite a few of the 139 other 3 person tents we have looked at.
  2. Lacking in Headroom. With 9% less headroom than similar sized tents, one can see how this could be a negative factor for some campers.
  3. Footprint not Included. There is no included footprint, The floor may be made of 70d 100% Nylon W/R F/R but it is still best to protect it further with a footprint, especially on rough terrain.
  4. A little heavy for backpacking. Even though the Thor 3, looks like a small tent, it is not ideal for backpacking as it weighs 11 pounds. This is quite a lot more than many other backpacking tents
  5. Sloping walls. Even though Dome tents have lots of qualities to rave about. The sloping sides do tend to make it all the more smaller inside.


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Our Ratings: 4.6 STARS

Marmot's Thor 3 tent is suitable for base camp and expeditions. Here are a couple of other cool things not already mentioned above which, we found and liked, while researching the model: The Thor three-person has become a go-to tent for expeditions and lengthy stays in the alpine realm., Seam Taped Catenary Cut Floor and Light-Reflective Points and Internal Guy System and Field Repair Kit.

With fantastic ratings, and a minimum headroom of 3' and 47 square feet of space to play with, this tent is like your very own miniature flat. This enables you to enjoy some really enjoyable time camping. We found a decent amount of pros about the tent that you can study above.

If you found this website looking for recommendations about this particular tent, our view is, it should make for an awesome acquisition. In case you simply happened to land on this page while browsing for a new tent having not heard of this manufacture or this model previously, it is probably a good idea to check out a few other comparable tents.

Value for money: In terms of value for your money, this tent is significantly pricier than the usual price of all the one hundred and ninety-three, three-person tents we have looked at, this alone is not a negative thing. One should also take a look at other things in-depth, as we do for each tent.

When we determine the valuation of a tent, we reflect upon plenty of things, looking for things where the tent could shine against other similar tents and where it is not quite as good. On this occasion, with an overall rating of 4.5 and the price statistics above, we can see that with a price of $561.685 The Thor 3 is a remarkable buy although it may be perceived as quite expensive when set side by side with similar tents.

The ratings show that the build and space the tent provides make it a superb buy for those searching for a tent that can last for lots of years. It will make a decent choice for most people searching for a comfy four-season dome tent to camp in, that will serve you well for years to come.

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Other Sizes and Variations of the Marmot Thor Model

Model Headroom Sleeping Area

Marmot Thor 2
Thor 2

3' 7"38 sq ft

Marmot Thor 3
Thor 3

3' 9"47 sq ft
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