I'll second this, lots of walking, so take snacks. It was also rather cold when I went there (which is now a long time ago!) so more snacks!First bit will sound like your granny - for heavens sake - wear comfortable shoes! Lots of cobbles and suchlike around all the monuments, including where the Last Post Remembrance Service is held in Ypres - and that itself is very moving, so do make sure indeed that you have hankies. Seriously! There is a fair bit of walking involved with most of them.