Palo Duro Canyon State Park Issues Alert Due to Rain and Flooding This morning Palo Duro Canyon State Park issued a park update regarding rain and flood damage. If you were planning to visit the canyon, here's what you need to know. There is no entry without prior day use reservations. All trails are closed until further notice. Park Road 5 from lighthouse parking lot to the end of park is under water and closed. They did say that campers who have existing reservations in any water and electric sites can still access their camp site. When they released the update, they also stated that all phones and voicemail were down but they had a crew working on it.