[6] The road leading to Larch Mountain from the Historic Columbia River Highway is 14 miles long, which closed at milepost 10 from Nov. through late May or early June due to snow.

[7] Larch Mountain is located in Multnomah County, Oregon approximately 40 mi (64 km) east of Portland, above the Columbia River Gorge.

Attractive due to its proximity to Portland and the Columbia River, it contained what were considered some of the highest-quality cedar, hemlock, and fir trees in the United States.

This event is often heralded as the start of the decline of the large-scale Victorian logging practices, which were replaced by more modern techniques.

In 1928, the United States Forest Service began reforesting the slopes of Larch Mountain, so that more lumber could be produced.

[10] Larch Mountain is the remnant of an ancient shield volcano, with broad slopes covering tens of square kilometers.

[12] Sherrard Point was exposed during the last glacial period, when the majority of the mountain's peak was destroyed by glaciers.

[13] Larch Mountain contains some of the largest old-growth forest stands left in the Columbia River Gorge area, characterized by the presence of many nurse logs.