Because difficulty is about terrain, not height. Hunter is the third-highest peak in the Alaska Range, lower than Denali and Foraker, but its routes are steeper and more technical than either. The standard West Ridge is a long, corniced, Alaska Grade 4 climb of sustained snow and ice with a mixed step, and fewer than 40 percent of attempts on the peak succeed. Alpinists widely regard it as the most difficult 14,000-foot climb on the continent.

Begguya is the Dena’ina name for the mountain and means Denali’s Child. It fits a family of three: Denali, the high one, the parent of the range; Foraker, called Sultana or Denali’s Wife; and Hunter, Begguya, the child. The English name Hunter came from a historical mix-up, transferred from a nearby peak that an early climber named after a relative, so Begguya is the older and truer name.

The West Ridge is rated Alaska Grade 4, with crux difficulties around 5.8 on rock and AI3 on ice, but the grade understates it because the challenge is sustained rather than a single crux. It is a long corniced ridge climbed on snow and ice throughout, with a mixed step low down at a rock feature known as the rabbit ears, and huge cornices higher up where teams stay off the crest. Guided ascents run about 12 to 14 days, and it is one of the 50 Classic Climbs of North America.

The Moonflower Buttress is a route on Hunter’s north face, first climbed by Bibler and Klewin in 1983, and it is one of the hardest mixed climbs in North America. It is far more difficult than the West Ridge, a sustained wall of vertical ice, mixed ground, and rock that draws elite alpinists as a personal testpiece rather than a guided objective. A shorter nearby route, the Mini Moonflower, is used as training.

You do not pay the special Denali and Foraker mountaineering fee on Hunter. The National Park Service requires climbers on Denali and Foraker to register at least 60 days in advance and pay that fee, but those rules apply only to those two peaks. Hunter climbers register as backcountry climbers flying into the range, fly with an authorized air-taxi concessionaire, and follow park rules, but they skip the 60-day pre-registration and the special fee. Confirm the current requirements with Denali National Park before you plan around them.

Fewer than 40 percent of attempts on Mount Hunter reach the summit, and only a small number of climbers attempt it in a given year. The field is self-selected and experienced, which makes the low success rate all the more telling: even strong alpinists turn back often. Treat the number as confirmation that this is an elite objective, not a peak to grow into.

April to June, the Alaska Range spring and early-summer window, the same season as Denali and Foraker. Because Hunter is lower, the upper mountain is not as brutally cold as Denali’s high camps, but the weather is still fierce and unpredictable, and bush-plane flights to and from the glacier depend entirely on it. Late April through May is the core of the season.

Fluency on steep alpine ice and mixed ground to at least Alaska Grade 4, prior experience in the Alaska Range or a comparable big-alpine setting, sound judgment on heavily corniced ridges, and full self-sufficiency. Unlike Denali’s West Buttress, Hunter has no fixed lines, ranger camps, or crowds to follow, so your team must solve everything itself. It is not a first big mountain.

Mount Hunter is 14,573 ft (4,442 m) at its north summit, the main top, with a lower south summit at 13,966 ft (4,257 m) joined to it by a long corniced ridge. It stands in the Alaska Range in Denali National Park and Preserve, about 8 miles south of Denali, rising some 7,000 feet above the 44-mile Kahiltna Glacier, the longest glacier in the range.