Unveiling the Beauty of Nature: A Tourist’s Guide to Negombo Lagoon, Sri Lanka Negombo Lagoon, a sprawling estuarine lagoon close to Negombo, Sri Lanka, beckons nature enthusiasts and adventure seekers with its diverse birdlife, scenic beauty, and rich biodiversity. Here’s your comprehensive guide to exploring this captivating lagoon: Getting There Negombo Lagoon is conveniently situated