Complex sentence: The inner loch coastline is bounded on both sides by Mull, with the north shore, steeply sloped, with a number of inconsequential hills, with Killichronan Wood to the east.
Split into simpler sentences: The inner loch coastline is bounded on both sides by Mull. The north shore, steeply sloped, has some moderate hills, with Killichronan Wood to the east.