Situated on the bank of Miller River in the Mount Baker-Snoqualmie National Forest, Miller River Group Campground is in a prime location for access to numerous trailheads and fishing spots. It is available by reservation only for groups, and it provides around 30 non-electric sites for a maximum of 75 people per group. No camp host is present, but the hosts at nearby Money Creek Campground are available for firewood purchases and questions.

Miller River is the only camping available within 2 miles, so it is extremely private, making it a perfect location for family reunions, large parties, or even a wedding. Tall fir frees surround the sites, and there is a centralized common area with long tables and a big fire ring for cooking and socializing. There is also a picnic table by the river, which is easily accessible from all the sites.

Lounge by the fire, fish in the river, or head down Miller River Road to the Lake Dorothy Trail for day hike in the Alpine Lakes Wilderness.