Koksilah Ridge
Koksilah Ridge (''Hwsalu'utsum'') is an elevated area located south of the Cowichan Valley on Vancouver Island, British Columbia. It is centered at 48°42′N, 123°47′W. Its summit lies about above sea level. It is visible in most of the Cowichan Valley and on the Saanich Peninsula north of Brentwood Bay, British Columbia, Brentwood Bay. As seen from North Saanich, British Columbia, North Saanich or Sidney, British Columbia, Sidney, it is plough-shaped, with long gentle slopes. From north to south, the bedrock lithology begins with Cretaceous-era sedimentary rock, chiefly shale, sandstone and Conglomerate (geology), conglomerate. These sediments extend up to about . Above them lies a pluton of Jurassic-age granodiorite, which underlies the summit. Around the eastern, southern and western edges of this pluton is a complex association of Pennsylvanian (geology), Pennsylvanian-era argillite, greywacke, chert and diabase. The soils of Koksilah Ridge are well or rapidly drained ...
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