Margaret River Mouth Activity Category: Swimming Holes Profile In summer the mouth of Margaret River sands over and creates a really large swimming hole. The water is clear and warm too! A nice place to relax after hitting up the surf. Photos Map No Records FoundSorry, no records were found. Please adjust your search criteria and try again. Google Map Not LoadedSorry, unable to load Google Maps API. Driving Walking Bicycling Public Transport Miles Kilometres Reviews Leave a Review. Cancel replyYour email address will not be published. Required fields are marked *Review text * Rate this Activity (overall): TerriblePoorAverageVery GoodExcellent Name * Email * Website Previous Next