It doesn't seem to say where it's going to be, but using a bit of detective work on the plan that's on the website (mentioning some place names) it looks like it here -
https://maps.google.co.uk/maps?q=canwick+hill+near+Lincolnshire&hl=en&ll=53.213974,-0.527413&spn=0.001821,0.005284&sll=53.177355,-0.626536&sspn=0.115846,0.338173&t=h&hnear=Canwick+Hill,+Lincoln,+United+Kingdom&z=18
Website is here - http://www.lincsbombercommandmemorial.com/our-memorial.html