Coquihalla Canyon Provincial Park
[3] Side hill cuts in the park area evidence the former Hope–Nicola cattle trail, which may have existed as early as 1846[4] but was substantially upgraded by the province in the mid-1870s.The opening of the Canadian Pacific Railway (CP) main line up the Fraser Canyon in the mid-1880s diminished the trail use basically to herding horses by 1889.In May 1915, the eastward advance of the KV rail head from the CN/KV crossing at Hope reached about 5 kilometres (3 mi) beyond Othello.[11] Following extensive rail bed and bridge destruction within the canyon caused by floods, November 1959 was the final passenger service at Othello.[13] To avoid the time and expense of producing a 1.6-kilometre (1 mi) tunnel along this winding stretch of river, Andrew McCulloch and his surveyors were lowered in wicker baskets to determine a more economical route.Using cliff ladders, suspension bridges, and ropes, workers excavated the parts simultaneously to create this series of tunnels in a straight line.[30] The 2021 Pacific Northwest floods extensively damaged the tunnels and undermined bridge foundations and slope stability in the steep canyon.Wire mesh barriers, rock bolts, and some shotcrete have been inserted in Tunnel #10 and along the adjacent slopes to reduce and catch falling material.
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