From Delhi -> Shimla -> Rohru 14 hours journey by bus.
This is at hill top with wonderful views of valleys with pine trees.
You can visit Hateshwari temple famous in locals.
There is not much to do apart from discovering hidden walking trails.
There are plenty of local dhabas near the bus stand.
Take your own drinks with you if you are wine lover.
Look for GMVN resorts if you can get some place there.