Phu Phan San is the highest mountain in Mukdahan province. At its summit lies a spacious rocky plateau, standing approximately 617 meters above sea level. It serves as one of the prime viewpoints in Mukdahan, offering breathtaking views of the surrounding landscape. This destination presents a challenge for eco-tourists who crave adventure, as it invites them to hike and explore its pristine wilderness. Phu Phan San is situated within a protected forest area, boasting pure air and a rich environment teeming with diverse flora and fauna.