Big Agnes Copper Spur HV UL2.

The Gavler Review.

Big Agnes Copper Spur HV UL2 Review: The Ultralight Tent That Doesn't Ask You to Suffer

The Big Agnes Copper Spur HV UL2 sits at number one on our Best Camping Tents list with a 9.7, and it earns that spot by refusing to make backpackers choose between weight and livability. At a trail weight of 2 lbs 11 oz, it's the lightest freestanding two-person tent that doesn't force you to crawl in on your stomach or hunch over while changing clothes. Buy it if you want the best all-around ultralight backpacking tent on the market. If you regularly face serious wind and want a tent built to outlast you by a decade and a half, the Hilleberg Niak is the honest, pricier alternative. For nearly every multi-day backpacker, this is the default.

What it actually is

The Copper Spur HV UL2 is the tent that essentially defined the modern ultralight backpacking category, and the "HV" in the name — High Volume — is the whole story. Near-vertical walls create 29 square feet of usable interior space with a 40-inch peak height, which sounds like a small number until you realize most ultralight tents at this weight slope so aggressively that sitting up straight means your head grazes the fabric. The Copper Spur doesn't make that trade.

The 2024 update brought PFAS-free HyperBead waterproofing to the rainfly and floor, replacing older PFC-based coatings without giving up storm performance — a meaningful update given how much of the outdoor industry is still catching up on PFAS regulation. The dual-door, dual-vestibule layout (18 square feet combined, 9 each) means two people can enter, exit, and store gear without climbing over each other, which matters more on a rainy morning than any spec sheet conveys. At $550, it's a real investment, but one built by a company confident enough in the design to keep it largely unchanged at the top of the category for years.

In use

The number everyone quotes is the weight, but the number that determines whether you'll actually enjoy the tent is livability, and that's where the Copper Spur separates itself. Switchback Travel's assessment gets at both halves of the equation: "The high-quality build, competitive weight, two-door-and-vestibule layout, and open interior make it one of the most complete backpacking tents on the market." Not the lightest — the most complete, which is the more useful claim for anyone who's spent a rainy night regretting a tent chosen purely on a spec sheet.

Weather performance is the place ultralight tents most often disappoint, and Outdoor Gear Lab tested the Copper Spur specifically to find out: "If weight is a priority when you go backpacking, look no further. While many tents in this featherweight category lack weatherproofing or headroom, this model kept us dry through friendly storms." That's a direct rebuttal to the assumption that ultralight and storm-worthy are mutually exclusive — with guy lines properly tensioned, the tent holds up in wind and rain that would expose the compromises in lesser ultralight designs.

Longevity is the real test for any tent this light, since thin fabric is usually where ultralight gear fails first. CleverHiker's answer settles that question with mileage, not marketing: "One of the all-time favorite backpacking tents and a staple on the United States' long distance hiking trails — the CleverHiker team has carried it for thousands of miles." A tent that survives thru-hiker mileage is a tent that will comfortably outlast a normal backpacker's weekend-trip pace.

Where it shines

• The lightest freestanding tent that doesn't punish you for it. At 2 lbs 11 oz trail weight, competitors that match the number typically give up either the freestanding pitch or the interior volume. The Copper Spur keeps both.
• Two doors, two vestibules, zero compromise for couples. 18 combined square feet of vestibule space and independent entry/exit means gear stays organized and nobody has to crawl over their tent-mate at 6 a.m.
• PFAS-free waterproofing that still performs. The 2024 HyperBead update is an environmental upgrade that Outdoor Gear Lab confirmed doesn't cost anything in real storm performance.

The trade-offs — who should skip it

This is the best all-around ultralight tent on the list, not the toughest tent on the list, and the honest reasons to buy something else are specific:

• The fabric is thin, and that's the trade for the weight. Ripstop nylon this light rewards careful site selection and a footprint. If you routinely camp on sharp, rocky ground and don't want to think about it, a heavier, burlier tent will serve you better.
• You want maximum storm resilience over livability. The Copper Spur handles "friendly storms" well, in Outdoor Gear Lab's words — but a dedicated four-season or serious three-season tent like the Hilleberg Niak, with its Kerlon 1000 fabric and tunnel geometry, is built for a different tier of weather.
• You want the cheapest possible two-person shelter. At $550, this is a premium ultralight tent. Budget backpackers who don't need sub-3-pound weight have much less expensive freestanding options.

How it compares

The clearest comparison on the list is the Hilleberg Niak 1.5 at rank two — a genuinely different philosophy rather than a direct competitor. The Niak trades the Copper Spur's freestanding, two-door convenience for a non-freestanding tunnel design built around Hilleberg's Kerlon 1000 fabric, aimed at solo-plus hikers who expect serious weather and want a tent they'll still own in 15 years. It costs roughly 3x as much. The Copper Spur wins on weight-to-livability ratio and ease of pitching for two people; the Niak wins on raw durability and storm-worthiness for one hiker who takes their tent seriously as long-term gear.

The Gavler verdict

A 9.7, and the score reflects near-unanimous agreement across Switchback Travel, Outdoor Gear Lab, CleverHiker, and GearJunkie that this is simply the most complete ultralight backpacking tent available. The Copper Spur HV UL2 doesn't win by being the single lightest option on the market — it wins by refusing to sacrifice livability, weather performance, or durability to get its weight down to 2 lbs 11 oz. Buy it as your default two-person backpacking tent; look to the Hilleberg Niak only if serious weather resilience and multi-decade durability matter more to you than price or interior space.

Common Questions

Is the Big Agnes Copper Spur HV UL2 worth $550?

For most backpackers who want a freestanding two-person tent without ultralight compromises, yes. It ranks first on Gavler's Best Camping Tents list with a 9.7, and CleverHiker's team has carried it for thousands of miles on long-distance trails. The trade-off is durability — the ripstop nylon is thin to save weight, so it rewards careful handling more than a burlier, heavier tent would.

How much does the Copper Spur HV UL2 actually weigh?

The trail weight (tent body, fly, and poles only) is 2 lbs 11 oz. The full packed weight, including stakes, stuff sacks, and guylines, is 3 lbs 2 oz. That trail weight is what makes it the lightest freestanding two-person tent worth recommending — most competitors that hit that weight give up either the freestanding design or livability to get there.

Is the Copper Spur HV UL2 durable enough for regular use?

Yes, with a caveat: the fabric is genuinely thin to save weight, so it isn't as bombproof as a burlier tent like the Hilleberg Niak. But CleverHiker calls it 'one of the all-time favorite backpacking tents' after carrying it 'for thousands of miles' on long-distance trails, which is real evidence it holds up when handled with the care any ultralight tent deserves — avoid pitching on sharp gravel without a footprint, and it lasts.

What's the difference between the Copper Spur HV UL2 and the Hilleberg Niak?

The Copper Spur is a freestanding, two-door dome tent optimized for weight and livability at $550. The Niak is a non-freestanding tunnel tent built for serious three-season weather resilience and long-term durability at $735 — roughly 3x the price. Buy the Copper Spur for general backpacking where weight and easy pitching matter most; buy the Niak if you expect to face serious wind and want a tent engineered to last 15-plus years.