Section 03 · Darrington
Slab country, where the rock lies down
The Sauk River slabs — Three O'Clock Rock and Exfoliation Dome — and why Darrington granite is different from Icicle granite.

Three O'Clock Rock takes its name from the hour the sun reaches it.
Photo: Osviel Rodriguez Valdés / Pexels
Photo: Osviel Rodriguez Valdés / Pexels
3 entries
Three O'Clock Rock and the Sauk's Afternoon Light
Low-angle granodiorite above the Sauk, and the light it takes its name from.
Read →Exfoliation Dome: What Peeling Rock Tells You
Rock that sheds in sheets, and what that tells you before you tie in.
Read →Two Kinds of Washington Granite
Slab and crack: two intrusions, two ways of climbing.
Read →
Where they are
How to read this map
Darrington — this sectionThe other four sectionsGraticule at two-degree spacing
Numbers match the key below — hover any marker for its nameOther sections