The sites across the county all open later during spring and summer.
Nottinghamshire County Council said:
‘Our sites are currently very busy due to the Easter break and so if you’re planning a visit over the next few weeks, we’d advise visiting when sites are quieter during the morning and evening.
‘At the moment, all sites are open between 8am and 6pm.
‘From 1 April, all 12 of our sites will be open from 8am until 8pm, giving you more hours to visit.’
