You just plan a trip like this starting from tvm ponmudi via jadayu earth centre via thenmala via munnar via wagamon via athirappily like this they are close enough and you can plan a honeymoon trip with this Fort kochi is also a good place and all shops and tourist place will be open till 22 onam
So better ask some of your mallu friends before planning. In anycase of covid issue become worse everything will shutdown. Now its open and you can visit.