Kuala Selangor Fireflies is one of Malaysia's Selangor state's greatest natural wonders, renowned for its spectacular firefly colonies. This attraction is located along the riverside in Kuala Selangor and serves as a popular destination for nature lovers and visitors. The fireflies inhabit the riverside mangroves, particularly on "Berembang" trees. As night falls, thousands of fireflies light up the trees, creating a breathtaking starry-sky-like spectacle. Visitors can take a boat ride along the river to admire the fireflies' natural glow up close. The area's mangrove ecosystem provides an ideal habitat for the fireflies while also supporting diverse flora and fauna. Here, visitors can immerse themselves in a rich natural environment.