Javvadu Hills is a pristine tourist spot in midst of forest range of Thiruvannamalai/Vellore and Thirupatthur.
Very few stay options are available. One can visit the Kaavalur Sky observatory in night, if you are there in a Saturday after 6.00 PM.
For the urban dwellers, a remote place that too a hill station will give you an eerie feeling at times. The roads are decent and one can reach this place from any of the above mentioned towns.
During monsoon seasons, there are few waterfalls nearby which can be covered during your stay..
If you are interested in camping and trekking package in Javvadu hills, you can try this operator