Mountain Pine, United States offers 1 beach perfect for sunbathing, surfing, swimming, and more. Mountain Pine is known for its proximity to Lake Ouachita, offering scenic beauty and outdoor recreational activities. The best time to travel to Mountain Pine, United States, is in late spring (May), when the average air temperature is around 70°F (21°C) and the water temperature is approximately 65°F (18°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!