Upper Hell Hole Campground is a popular camping area located in California's Eldorado National Forest. The campground is situated next to Hell Hole Reservoir, which offers stunning views of the surrounding Sierra Nevada Mountains. The campground is also located near several scenic hiking trails, including the Rubicon Trail, which takes hikers through stunning forests and past pristine lakes.

The campground offers several amenities, including picnic tables, fire rings, and vault toilets. There are no potable water sources, so visitors must bring their own water or purify water from the nearby stream. The campground is first-come, first-serve, and offers 15 campsites that can accommodate tents, RVs, and trailers.

An interesting fact about the area is that it was once used as a hideout for stagecoach robbers in the 19th century. Today, visitors can explore the area's rich history by visiting nearby historic sites, including the Placerville Historical Museum.

The best time to visit Upper Hell Hole Campground is from late spring to early fall when temperatures are mild. Average temperatures during this time range from the mid-60s to the mid-80s, making it an ideal time for outdoor activities like hiking, fishing, and swimming. However, visitors should be aware that the campground can get crowded during peak season, so it's best to arrive early to secure a spot.