The province is noted for its abundant volcanoes, lava flows, and ash deposits, some of which are helpful for determining the Crack’s relative age. The width along the floor inside the crack varies where it is narrowest, a person can easily touch the adjacent walls with outstretched arms.Ĭrack in the Ground (43☁9'57" N., 120☄0'16" W.) is in the High Lava Plains geologic province, which encompasses an extensive swath of central and southeast Oregon. The crack is as wide as fifteen feet at the surface, but the gape may lie unseen in some places until nearly stumbled upon. It once was deeper, before gradual infilling by a slight sidewall collapse and windblown sand. Two miles long, Crack in the Ground was as deep as seventy feet in 2021. Long known as “the Crack” to local residents, it is located on the gently sloping upland north of Christmas Lake Valley, near the geographic center of the state. Crack in the Ground is just that, a gaping fracture of tectonic origin in the volcanic terrain of northern Lake County (pasting the coordinate pair 43.3325, -120.6711 in a mobile device map application will allow you to fly there).
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