The D20 37L Campsite is located in the Lower Deschutes watershed of Oregon and is a primitive, non-reservable, no-fee area. The campground is situated in a beautiful desert landscape and offers stunning views of the surrounding area. There are several nearby points of interest, such as the Deschutes River, which is excellent for fishing, kayaking, and rafting. The nearby town of Maupin also offers dining, shopping, and other amenities.

The campground amenities are limited, with no water or trash service, so visitors must pack in and pack out all their supplies. However, there are several fire rings, picnic tables, and vault toilets available for use. Pets are allowed but must be kept on a leash at all times.

Interesting facts about the area include the presence of several Native American tribes, including the Warm Springs, Wasco, and Paiute, who have lived in the area for thousands of years. The Deschutes River is also home to several species of fish, including steelhead, Chinook salmon, and rainbow trout.

The best time of year to visit the D20 37L Campsite is during the summer months, from June to August. During this time, temperatures average around 80 degrees Fahrenheit during the day and drop to around 50 degrees Fahrenheit at night. However, visitors should be aware that the area can become very hot during the day, so it's important to bring plenty of water and sunscreen.