The D3 99R Campsite is a primitive, non-reservable, and no-fee area located in the Lower Deschutes watershed of Oregon. It is a popular spot for camping, fishing, hiking, and wildlife viewing. The campsite offers stunning views of the surrounding wilderness, including the majestic Deschutes River and the rugged cliffs of the canyon. Visitors can also enjoy nearby points of interest such as the Sherars Falls, which is a popular fishing spot, or the White River Falls State Park, which features a stunning waterfall and beautiful hiking trails.

The campground amenities are minimal, so visitors are advised to bring their own supplies and equipment. There is no drinking water available, so visitors must bring their own or treat the river water. There are also no toilets or showers, so visitors must practice Leave No Trace principles and properly dispose of all waste.

The best time to visit the D3 99R Campsite is during the summer months, from June to September, when average temperatures range from 70-85°F. During this time, visitors can enjoy hiking, fishing, and camping in comfortable temperatures. However, the area can get crowded during peak season, so visitors should plan ahead and arrive early to secure a spot.

Interesting facts about the Lower Deschutes watershed include that it is home to one of the largest remaining wild populations of steelhead trout in the world. The area is also known for its stunning geologic formations, including the distinctive columnar basalt cliffs that line the canyon walls. Visitors should also be aware of the potential for wildfire during the dry summer months, and should take appropriate precautions to prevent fire.

Overall, the D3 99R Campsite is a beautiful and peaceful spot for outdoor enthusiasts to enjoy the natural beauty of the Lower Deschutes watershed. Visitors should come prepared with all necessary supplies and equipment, and should respect the fragile ecosystem by practicing Leave No Trace principles.