The phrase "alpine challenge" is correct and usable in written English.
It can be used to refer to a difficult or demanding activity or event that takes place in an alpine or mountainous environment.
Example: "The annual alpine challenge attracts adventurers from all over the world, eager to test their skills against the rugged terrain."
Alternatives: "mountain challenge" or "high-altitude challenge".
A more manageable road quest is the 7 Peaks Alpine Ascent Challenge, in which participating riders pedal to the top of seven mountains – Mount Hotham (1,862m), Mount Buffalo (1,723m), Mount Baw Baw (1,567m), Mount Buller (1,805m), Lake Mountain (1,433m), Falls Creek (1,600m) and Dinner Plain (1,520m) – collecting stamps in a 7 Peaks passport at each summit.
Whizz down on zip lines and alpine coasters, or challenge yourself up the mountain on rock climbing walls.
The detection of clinically ill animals in rigorously vaccinated herds and the health monitoring of livestock kept on alpine pastures are challenging.
Regional-scale estimates of snow water equivalent (SWE) are challenging in alpine regions, particularly in areas of high accumulation and dense forest cover, suggesting efforts to improve these estimates may benefit from an evaluation of existing gridded products.
Workman was challenging a masculine realm; her obituary in The Alpine Journal alluded to the challenges she faced, saying that she "felt that she suffered from 'sex antagonism'".
The concrete bears hardly challenge Sky's alpine skills and she may be too old for the swings, but she obliges me by going off to them anyway.
Due to these complex demands including cardiorespiratory, neuromuscular, and sensorimotor systems alpine skiing can be a challenge especially for the elder skier [ 2].
Rephrasing our challenge in this alpine terminology, the task is not only to find the lowest point overall, but to relate the depths of valleys to their population sizes, and to determine the family of which members are most likely to be encountered when this landscape is explored.
The star of the American alpine team now faces another huge challenge less than 80 days before the 2014 Sochi Olympics.
The second reason for the strong simplification is the non- uniform distribution of geological information in the Alps, especially for deeper parts, which renders a three-dimensional representation of the Alpine area with high resolution mostly challenging.
