Thousand Creek Gorge is an improbable slot canyon, eroded through hard volcanic rock, in the Sheldon National Wildlife Refuge in far northern Nevada, next to the Oregon line. In places, the canyon walls are nearly 500 feet tall, while the canyon itself is barely wider. The whole canyon is only a few miles long as the crow flies. Although the trail through the canyon shown on old topographic maps has long since washed out, a day hike through the canyon is an attractive option. Be prepared for fords and some…