Rocky Mountain National Park’s largest campground will be closed this summer for a major “modernization” project that will relocate some campsites away from wetlands, replace failing water and sewer lines that date back to the 1960s, bury three miles of power lines that currently are above ground and make the campground more accessible for people in wheelchairs. Related Articles Outdoors | Moraine Park, Rocky Mountain National Park’s largest campground, will close next summer for major rehab project Park officials have said they hope that changes to the 244-site Moraine Park campground will be completed by summer 2024.