The Upper Blackrock Campsite is a developed, non-reservable, no-fee area located in the Portneuf watershed of Idaho. The campground offers stunning views of the surrounding mountains and the Portneuf River. The area is known for its excellent fishing, hiking, and hunting opportunities, with nearby points of interest including the nearby mountain ranges, hot springs, and wildlife viewing areas.

Campground amenities include picnic tables, fire rings, and vault toilets. The site is also pet-friendly, making it a great spot for furry friends to explore the great outdoors.

One interesting fact about the area is that it was once a popular spot for mining and logging operations. These operations have since ceased, leaving behind a unique landscape that reflects the region's rich history.

The best time to visit the Upper Blackrock Campsite is during the summer months, from June to August. During this time, temperatures range from the mid-70s to the mid-80s, providing the perfect conditions for outdoor activities. It is important to note that the area can experience heavy rainfall during these months, so visitors should be prepared for wet conditions.

Overall, the Upper Blackrock Campsite is a beautiful and peaceful destination for outdoor enthusiasts seeking a unique and historical camping experience in the Portneuf watershed of Idaho.