I recently stayed on this campsite between 25th - 28th June and found it to be very average. The scenery surrounding the park is extremely impressive with spectacular mountains however the site itself comprises of RV pitches located on a tarmacked road, with vehicles being parked one after the other in a long line. It is literally like parking your RV on the side of a road!
As for facilities the shower block and toilets were adequate. Not too busy and fairly clean. There was an electricity hook up with the RV pitch however the water and sani facilities were at a central site. There were only 2 of these however for the extremely large number of RVs so queues were inevitable.
The real redeeming feature of this campsite though is the bus stop. The bus service to Banff is operated by Roam buses and the service to and from the campsite is approx. every 40 minutes. The journey into Banff takes only a few minutes and costs just $2 per person (the first ride actually being free). The bus drivers are all extremely helpful and are happy to advice on which buses to take to certain attractions and will also advise on the most suitable stop to get off at. A really efficient service.