Leslie Gulch, Owhyee Mountains, Oregon

Geology 101: Leslie Gulch


In addition to driving on stupidly dangerous goat paths, WC spent the weekend in the deeply dissected volcanic rock of the Mahogany Mountain Caldera, in the southeastern corner of Oregon, near the Idaho state line.. Leslie Gulch is actually inside that 15.5 million year old caldera, which is some 15 kilometers wide and 20 kilometers…

Fisherman Road descends at an average 17% grade on a road chiseled into volcanic tuff and cobbles

WC Survived Fisherman Road


On a map, it looks like a nice way to get from Succor Creek Road over to the Owhyee Reservoir in southeastern Oregon. Even on Google Earth it looks pretty straightforward. It’s not. Don’t drive Fisherman Road. Maybe it was the August 2016 Cherry Road Wildfire, which burnt much of the area that Fisherman Road…

Arrowrock Spillway, looking south, Boise River

Some Notes on Arrowrock Dam


Arrowrock Dam is one of three major dams along the course of the Boise River. It’s the oldest of the three, completed in 1915. At 348 feet tall, Arrowrock was the highest dam in the world at the time. It’s primary purpose is irrigation; it holds the winter’s rain and snowmelt so that water is…