In reply to aostaman:
I've been there. Way back in 1982, so memory is a bit vague.
We went for a weekend with two locals after climbing Mt Kenya. First day we climbed a huge long (about 6 pitches) chimney to the summit of Kichwa Tembo. Vultures were nesting in the back of the chimney and the views down to giraffes, elephants, etc were fantastic. Next day we climbed on a smaller (2 pitch?) crag and I remember doing a very fine route called Tusker, maybe vs or hvs. We camped beside a river in which there were hippos and crocs, and the noise of the monkeys in the trees was incredible.
Best to get in touch with Mountain Club of Kenya, they'll have details.