The tree tunnel near the entrance and around Namtok Sam Lan National Park is a breathtaking natural passage. Here, the branches of towering trees meet overhead, forming a verdant canopy that provides both shade and a sense of tranquility for travelers. The atmosphere within this tree tunnel is exceptionally refreshing, especially in the mornings when the soft sunlight filters through the leaves, creating a popular scenic escape and photography destination for visitors to Wat Phra Phutthachai and the national park. More than just a pretty sight, this tunnel reflects the well-preserved abundance of Saraburi's forests, offering a calming and immersive natural driving experience for everyone who journeys through.