The topic seems to be encountered in FSE again in the past:

Conditional/past conditional + subjunctive?

It is still an ongoing issue for the grammarians (see the links in the aforementioned discussion).

I was going there, although she would not (i.e., refused to) go.

Here is my attempt:

J’y allais, même si elle ne voulait pas aller.

Malgré son refus d’aller, j’y allais.

Bien/Quoi qu’elle n’aurait pas voulu aller, j’y allais.