Marmot Fortress 2 Person Tent Big Agnes Copper Spur HV UL3 Tent
Head-to-head comparison: specs, scores and expert verdict
Marmot
Marmot Fortress 2 Person Tent
Best for: Weather-intensive backpacking and car camping trips.
Big Agnes
Big Agnes Copper Spur HV UL3 Tent
Best for: Ultralight three-person backpacking and versatile camping.
Our Take
Worth flagging before you compare: the Marmot Fortress 2 Person Tent is a dome and the Big Agnes Copper Spur HV UL3 Tent is a backpacking, so these two sit in different shelter categories.
Both score 8.3 overall, though the Big Agnes Copper Spur HV UL3 Tent wins more individual scoring categories.
The main tradeoff: the Marmot Fortress 2 Person Tent leads on value for money despite trailing overall.
The Marmot Fortress 2 Person Tent also has a price edge — $433 less at $216 versus $649.
Your best pick will come down to personal priorities, so check the full specs comparison below.
🏆 Our pick: The Big Agnes Copper Spur HV UL3 Tent scores higher overall.
Ask our AI for a personalised recommendation based on your camping style, group size, and budget.
Score Comparison
Pros & Cons
Marmot Fortress 2 Person Tent
- Full fabric canopy
- Vertical wall construction
- Dual-sided zippered entries
- Heavy 5lb+ weight
- Poor summer ventilation
Big Agnes Copper Spur HV UL3 Tent
- 41-sqft palatial interior
- Proprietary HyperBead fabric
- Dual awning-style vestibules
- Fragile floor material
- Sticky, finicky zippers
Full Specs
| Spec | Marmot Fortress 2 Person Tent | Big Agnes Copper Spur HV UL3 Tent |
|---|---|---|
| Tent Type | Dome, Backpacking | Backpacking, Dome |
| Capacity | 2 people | 2 people |
| Seasons | 4 Season | 3 Season |
| Est. Price | $217 | $650 |
| Weight | 5 Lbs. 5.5 Oz. | 3 Lbs 8 Oz |
| Min Trail Weight | 5 Lbs. 1.5 Oz. | — |
| Floor Area | 32.0 ft² | 41.0 ft² |
| Vestibule Area | 9.8/7.8 Sq Ft | 9 + 9 Sq Ft |
| Peak Height | 42 | 43 |
| Doors | 2 | 2 |
| Floor Dimensions | 88 X 54 Inches | 90 X 70 In |
| Pole Material | DAC Pressfit / Velocity | DAC NFL |
| Floor Fabric | 68 Denier Polyester Taffeta 190T 2000mm | Silicone Treated Proprietary Ultralight Double Rip Stop Mixed Denier Nylon With 1200mm Waterproof Polyurethane Coating |
| Rainfly Fabric | — | Silicone Treated Proprietary Ultralight Double Rip Stop Mixed Denier Nylon With 1200mm Waterproof Polyurethane Coating |
| Setup Time | 10 Mins | 5 Mins |
| Warranty | Limited Lifetime Warranty | Limited |
| Made In | Imported | Imported |
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