Back in 1851, when Sir Hugh Low, a British colonial administrator and naturalist ascended the mountain, he did it without stairs cut into the side of the rock, without handrails and certainly without shelter stops every few hundred metres. He took nine days to reach the summit plateau, traveling in a group of 42 people. It was a stupendous effort. It was also the year that Low’s wife of three years, Catherine, died of a tropical fever, so maybe he climbed the mountain as a cathartic exercise.
Today, there are loads of travel agencies all angling to provide a complete package to climb Mt Kinabalu. You can even do it on your own, but its a lot more troublesome to get the permits and the guide and book the guesthouse. I went with River Junkie, and I must say the entire experience was smooth and their advertised prices were among the most competitive online. And if you go in a group the cost is even lower.