South Twin Sister, Skookum Peak, Hayden and Little Sister, Acme, Washington, USA

---

Twin Sisters Mountain with rolling fog in the valley

---

Size: 7000px × 6446px
Location: Acme, Washington State, USA
Photo credit: © David Roossien / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: 38, acme, baker, bell, bellingham, cascade, cascades, chilliwack, chromite, chuckanut, clinopyroxene, collision, county, creek, dailey, dunite, enstatite, era, fault, forest, fork, formation, glacier, glaciers, green, hayden, howard, igneous, iron, lake, magnesium, mesozoic, middle, mosquito, mount, mountain, nappe, nooksack, north, olivine, oxidation, pass, peak, petrology, prarie, range, red, rich, river, road, rock, rocks, serpentinite, sister, sisters, skookum, south, state, tectonic, terrane, thrust, twin, ultramafic, washington, whatcom, wilderness, élange