These temporary camps overlap to a great extent. There is a different numbering sequence of these forts between Canmore and Roman Britain. The Roman Britain sequence is adopted here.
Camp 5. Temporary Camp. c.425 x 280 ft (130 x 85 m) This is referred to as an annex to Camp 4.
See: http://roman-britain.co.uk/places/alauna-veniconum.htm
http://roman-britain.co.uk/places/ardoch.htm
https://canmore.org.uk/site/25251/ardoch
https://canmore.org.uk/site/25389/ardoch
https://canmore.org.uk/site/25390/ardoch