The famous venue in the countryside has hosted hundreds of Sunderland youngsters over the years and we asked some of them to share their memories.
Here’s what they had to say and to enjoy more Wearside nostalgia, visit the Sunderland Echo website and click on the retro section.
In case you missed it:

1. Looking back through the decades
Gordon Turnock remembered 'pillow fights after lights out, and after being warned by Mr Harrison and other teachers ( Castle View Senior School Hylton Castle in Sunderland) on several occasions. "We were told at about 12 o’clock at night to get dressed and walk about 2 miles by which time we were very tired and stopped carrying on and went straight to sleep." | Sunderland Antiquarian Society Photo: Sunderland Antiquarian Society

2. Doreen's memories
Doreen Goulden recalled: "I loved my week at Middleton camp, it was my first holiday away from my family and I was terrified till I got there and really loved it. "Then the day before we came home a girl got scarlet fever and we all got a week off school when we went home as a precaution, I don't think anyone else got it but the extra holiday was great." | se Photo: Sunderland Echo

3. The ghost of the mad monk
Wendie Talbot remembered: "Haunted by the mad monk and the blue lady. Went twice with Quarry View school. "Outside showers, great walks and singalongs.' The photo shows pupils doing the chores for the last class at Middleton Camp in 1989. | se Photo: Sunderland Echo

4. So excited to go there
Map reading at Middleton Camp in 1989. Ed Jackson said: "My sister went there twice, she seemed so grown up, having a holiday without mum and dad, so when it came to my time to go I was so excited….. "I Went there twice too, had a fab time….happy days." | se Photo: Sunderland Echo