Located in the Upper Yakima watershed of Washington, Umtanum Campsite 1 is a developed, reservable, and fee-based campsite that boasts stunning surrounding views and offers several amenities for campers. The nearby Yakima River provides ample opportunities for outdoor recreation, including fishing and rafting. The campsite is equipped with picnic tables, fire pits, and vault toilets for visitors to use.

One of the most notable points of interest near Umtanum Campsite 1 is the Umtanum Creek Canyon, which offers hiking trails with beautiful views of the surrounding landscape. Additionally, the nearby Cowiche Canyon Trail offers several hiking and biking trails that provide stunning views of the area's unique geology and wildlife.

The best time to visit Umtanum Campsite 1 is during the summer months when temperatures are warm and the outdoor activities are plentiful. The average temperature during this time is between 70-80 degrees Fahrenheit. However, visitors should be prepared for sudden changes in weather, as the area is known for its unpredictable weather patterns.

Overall, Umtanum Campsite 1 is an excellent destination for outdoor enthusiasts looking to experience the beauty of Washington's Upper Yakima watershed. With its stunning views, nearby points of interest, and extensive amenities, it is a highly recommended destination for those looking to enjoy the great outdoors.