Fallen out with child's best friends mother

[amulet]

This surely can't be the first post on this issue?
I have had a "blow out" with the mother of my child's best friend. To be truthful, the friend is the only real friend of my son, and has been for 6 years, since they were 4 year's old. As mothers who live in the remote countryside, i.e. not immediate neighbours, our children's friendship relies on our facilitation. Without going into details :) we had a bit of a disagreement, which resulted in me storming off, dust spraying from my heels. But now, of course, my son is desperately upset, and thinks we have blown his friendship.
So, any advice on how to approach this problem?
Thanks to anyone who can help

Depends on why you had a blow out? Was it over the kids?

If not most reasonable people would have no problem with the kids still being friends.

Depending on the circumstances - if she was smoking crack in your son's company, for example, things would be different - I think you have to wait a while and then proffer an olive branch, making it clear that you want to get back onto an even keel with her so that your boys can continue to be friends. Do they attend the same school? Will you see her at the school gate/bus stop?

I know it's easier said than done if you live in a remote area, but is there anything you can do to help your son find some more friends? Could he join a sports club, scouts, woodcraft folk?