Tomorrow I shall attempt to find another gate to Oblivion and close it. I shall head west from the temple towards the Skyrim Bandit Camps. If I am unsuccessful in finding an Oblivion gate then perhaps I will be able to shed some light on why these bandit clans have come into Cyrodiil.
I will not take my new horse friend with me to these dangerous locales for fear it will suffer the same fate as Brother Piner's horse. On foot it will take a long while to navigate the treacherous Jeralls, so I should leave early in the morning.