Mount Kinabalu will be on the agenda on the fourth day of our trek. At 4095m, I don’t think I’ll need Diamox - I’ve been higher with few altitude worries. The only minor annoyance is I’ll be having to pack extra cold weather clothing especially for this portion of the trip.
I think trekking poles will be a must for this, for me.
There’re lots of videos of Kinabalu: