Loch Spelve (56°23'N., 5°43'W.) has an entrance channel which contracts to a width of 45m and has a least charted depth of 5.6m. Within the channel, the loch opens to two arms, the SW arm extending nearly to Loch Uisg, a freshwater lake. Tidal currents are strong in the entrance channel. Anchorage can be taken in the bight indenting the W head of the N arm of the loch, in a depth of 11.9m. The Firth of Lorn

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