These devices can instantly lock the differential on all four tires, creating intense traction over extreme terrain.

Due to the latitude and the extreme rugged terrain the volcano experiences many microclimates.

The missions often follow a path that requires flight through extreme terrain such as canyons, caves, and mountain peaks.

Despite the extreme terrain and the lack of amenities, Silverton has been sold out nearly every weekend since it opened.

The sole double black runs of the area make up the extreme terrain on Mount Werner.

It is claiming the best snow pack in five years, although the extreme terrain wasn't open early this week.

From the top here experts can access more extreme terrain.

Catoosa ranges from gentle rolling hills to some of the most rugged and extreme terrain in the country.

The incident occurred at an extreme terrain.

And a good proportion are classified as 'expert' (double-diamond) or 'extreme' terrain.