The town is divided into 6 different sectors spread randomly across the Shivalik Range in a radius of about 4 km. While sectors 1A, 4 and 6 are totally residential the other sectors 1, 2, 3 & 5 are Industrial with only a few residential areas. Parwanoo is essentially an industrial town with almost 80% of the local population engaged with the industries in one way or other. It is home to the largest fruit processing unit of HPMC and the HP Agro Industries have a Cattle Feed Unit and a Pesticide Unit located here. It also has a Large ESI hospital. Prominent hotels are Shivalik View, Windsmoor, Park Inn and Shelly.
The Kalka Shimla heritage rail line passes through this town. The railway station is known as Taksal.The town is 35 km from Chandigarh and 20 km from Panchkula. There is also a route to Kasauli direct from Parwanoo, 18 km avoiding Dharampur
Parwanwoo has a moderate climate. Winter temperature is approximately 10 degrees Celsius, with Summer temperatures rarely exceeding 38 degrees Celsius or more. The general wind direction is south-west to north-east. Total rainfall for the year is 1020 millimetres, with humidity at 90% in September and 28% in April.
Dhalli on its northern outskirts (on the Simla highway) is famous for its meat (Non Veg pickles) shops which is run by the walia family. A resort with a cable car called Timber Trail is a few miles north of the town on the Shimla highway again.