Corbett National Park remains open throughout the year for the visitors from Jhrina / Sitabani Zones . Every year Bijarani zone get operational from Mid of October and The core area of the national park Dhikala zone get operational from 15th of Nov. The main reason for closure of the Bijarani and Dhikala zone during the rest of the year is that during the monsoons most of the roads get washed away. Repair work starts after the rains end and it is only by October to November that roads to Bijarani and Dhikala are back in motorable condition.
Seasons: There are three well defined seasons
Winter: November to February
Summer: March to June
Monsoon: July to October
However Corbett National Park remains open throughout the year for the visitors from Jhrina & Sitabani Zones but the best time to visit Corbett is from 15th November to 15th June because during this period of time all the tourism zones of Corbett are open for visitors and one can visit the entire national park area.
The management of Corbett national park has made it mandatory for all tourists to avail permission from government officials in order to visit the park. In case you want to make a day visit, permits can be directly obtained from the respective "Corbett Wild Reverside Resort". Visiting Dhikala zone during daytime is not permitted. An exception to this is made only when tours are conducted in safaris organized by the management of Corbett Tiger Reserve. Moreover, only those visitors who have prior accommodation reserved in Dhikala can enter this restricted zone.