The event will take place from 11am-3pm at 1000 Lakeside, Western Road, Portsmouth PO6 3FE.
As well joining as a 2km charity dog walk around the lake, dogs can enter fun talent competitions in the arena with their owners and visit the doggy related stalls.
Canine Partners will give a demonstration to show the incredible skills of their dogs and how they help disabled people live a more independent and happier life.
Admission is free, with a £5 charge for the charity dog walk and £2.50 for each additional dog. All funds will be donated to Canine Partners.