Group camping under the redwoods in Portola Redwoods State Park. Hillside Group Campground is a tent only campground that can accommodate groups up to 50 people, including children. The campground is a short walk from the parking area, so be ready to pack in all the supplies. Twelve vehicles are included in the group campground price, so any additional vehicles will be charged extra. There is a shared restroom and drinking water faucet nearby, and hot showers are located in the main campground. Hillside Group Campground is adjacent to Ravine Group Campground, which can accommodate 25 people.