Air Terjun Sungai Tengkil, known as Tengkil Waterfall, is a hidden gem in Kota Tinggi, Johor, Malaysia. Nestled near Gunung Muntahak, this 10-tier cascade offers a picturesque retreat. The trail leading to it provides hikers with both challenges and scenic vistas, making it a favorite for adventure enthusiasts. Alongside its natural beauty, the area boasts opportunities for bathing, picnicking, and camping. The serene environment, combined with the sound of cascading water, makes it a perfect spot for relaxation. Nearby attractions, like the Desaru Fruit Farm, hint at the region's operational hours, making it a must-visit when in Kota Tinggi.