Marion is leading the walk, Mount Stuart Parkrun and walk to Kingarth for lunch, taking the 8.45 bus south from Guildford Square to Kerrycroy for Parkrun, or 9.45 bus for walk to Kingarth only starting at 10.30 from Mount Stuart house. If you're walking the Parkrun, more details here, and please follow the instructions there to register, it's free! Bring something to eat and drink just in case the Kingarth is fully booked.