I visited all three components although Mawe Meru appears to be just the black rocks on top of Chasimba Caves which is even marked so on the map. Also I don't see ANY cave. Maybe 70,000 years ago this was a cave system and has now been eroded to just have rocks. Both cave sites are taken care of by the local family (unofficially?) and they'll be happy to take you on a small tour. By tour it means you walk over sharp karst and maybe fall if you aren't careful - honestly this is so not recommended to visit. My advice is to save you some money (not that it cost a lot to tip them) and just take a picture of the wall rock as you drive past it. The locals didn't have anything particular to show that would be significant for previous human inhabitants and if anything was here it was probably taken away to safeguard anyway.
As it was a drive through due to the nearby WHS I didn't mind too much but definitely not worth your time.