The Early Climbing History at Tablerock by Bob Boyles

For those who live in the vicinity of Boise, Tablerock is an unmistakable landmark rising up on the northeast side of town. The climbing history of its rock walls, which are graced by seemingly random bolt placements and the occasional chalk mark, is slowly disapearing as time passes and excavators mine the northeast corner for building materials. Tablerock, like the … Continue reading

Fossils of Idaho’s High Peaks by Rick Baugher

Some of the best examples of Idaho’s marine Paleozoic fossils are found near the summits of mountain peaks, elevation 10000′ and higher. Although they appear in carbonate formations throughout east central and southeastern Idaho, the core zone is in the southern Lemhi and Lost River Ranges. Specifically, the best preserved fossils are found in the Scott Peak Formation, of Mississippian … Continue reading

The East Face of Mt Borah by Bob Boyles

Idaho has nine summits that reach over 12,000 feet and all but two lie within the Lost River Range in central Idaho. Idaho’s tallest and most visited peak, Mt Borah (12,662’), is located in the central section of the range. As the state highpoint, it is also very popular. During the summer months, it is not unusual to see a … Continue reading

Lost River Range Volcanoes by Rick Baugher

Volcanoes and related igneous flows are a staple of the Pacific Northwest landscape, so it is interesting to observe that Idaho’s highest mountain range presents a 60 mile front of sedimentary limestone. How did these Lost River mountains align the way they did, and how did they reach their current height? Much can be explained by the movements of the … Continue reading