He turned up the rugged canyon of what would later be called the American River (named after his party).

The park consists mostly of rugged canyons and hills, with both natural and developed recreation areas, including many beautiful flowers.

A Map Here's your chance to fly over a rugged canyon at well over 30mph, 200ft above a gushing creek.

The terrain of the park is a rugged rocky canyon with old growth hardwoods and juniper glades.

Steep, rugged canyons are common in this region.

Mule deer and black bears find winter range in the area's rugged lower canyons.

Its topography is dominated by rugged canyons that become deeper and narrower in the east.

On the fourth day Blade reached a point where the river broke through the foothills of the mountains, forming a rugged canyon.

Following the length of a wash, they entered a rugged canyon.

Deep rugged canyons are laden with aspen, willow, and cottonwood groves.