Lepchas are shy & simple people who fear ill-reputation. Hence, Dzongu area is very safe in terms of crime.
One may encounter a Landslide on the way, in the rainy season. But the sites of the landslides are usually same every year and are known to the locals.
itineraries
Keushong Trek
Day 1
Reach Dzongu from Gangtok/ Bagdogra. If you reach early enough, you can visit Lingthem Village. Stay at a Homestay, enjoy traditional Lepcha dishes and interact with the hosts.
Day 2
Reach Lingzya falls and then hike up to Tholung, along the thundering Tholung Chu River. Can be combined with Day 1. It is a 5 hour hike
Day 3
Acclimatize at Tholung 8000 ft. Visit Tholung monastery, cross the cane bridge great adventure! to visit the hot springs, see plenty of water falls. Some people may not find acclimatization necessary, they can proceed directly.
Day 4
Tholung to Keushong. Some stunning scenery awaits you on the way. Enjoy crystal clear waters and dense jungles with lots of flowers, birds and butterflies. Amazing! You will reach Keushong only by evening.
Day 5
Explore and enjoy in the Keushong valley. Sit by the Keushong lake, see the valey carpeted by flowers, and explore the surrounding areas.
Day 6
Descend to Tholung.
Day 7
Tholung to Dzongu and onwards to Gangtok/ Bagdogra.