The Fort Collins Coloradoan reports that the park is introducing increased entrance fees this week, including a new day use pass.
The day use pass will cost $20 for vehicles and $10 per person entering the park on a bicycle. A seven-day pass will cost $30 for vehicles, up from $20. A seven-day pass will cost $25 for motorcycles and $15 per person on bike. An annual pass will increase from $40 to $50.
Next year the park will increase campground fees to $26.
Rocky Mountain National Park is the country's fifth-most visited national park and is on pace to see a record 4 million visitors in 2015.