In the west are the Severn and Wye, which purge into the Bristol Channel and are traversable, just like the Mersey and Ribble.
ທິດຕາເວັນຕົກແມ່ນ Severn ແລະ Wye, ເຊິ່ງແຍກອອກໄປໃນ Bristol Channel ແລະເປັນສິ່ງທີ່ເຄື່ອນຍ້າຍໄດ້, ຄ້າຍຄືກັບ Mersey ແລະ Ribble.