Patratu Dam, also known as Patratu Lake, is a scenic reservoir built across the Nalkari River in Ramgarh district, Jharkhand. Constructed to supply water to the Patratu Thermal Power Station, the dam has become one of the most popular weekend getaways near Ranchi.
Surrounded by lush green hills, winding valleys (Patratu Valley), and dense forests, it offers breathtaking views, especially at sunrise and sunset. The calm blue waters, boating facilities, and peaceful atmosphere make it a favourite spot for picnics, photography, and family outings.

Patratu Dam Location
Address: Patratu Dam, Patratu, Ramgarh District, Jharkhand — 829119
Pin Code: 829119
Administrative Zone: Ramgarh District, Jharkhand
| Reference Point | Distance |
| Ranchi City | 35–40 km |
| Ramgarh Town | 28–30 km |
| Patratu Town | 5–8 km |
| Ranchi Railway Station | 38–42 km |
| Birsa Munda Airport, Ranchi | 45–50 km |
Timings and Entry Fee Patratu Dam
| Activity | Timings | Entry / Activity Fee |
| Dam & Lake Area | 6:00 AM to 7:00 PM (all days) | Free / Nominal (₹10–20) |
| Boating (Speed Boat, Pontoon, Cruise) | 9:00 AM to 6:00 PM | ₹100 – ₹300+ per person (varies by boat type) |
| Parking | During visiting hours | Nominal charges |
Note: Boating charges depend on private operators and boat type (speed boat, pontoon, island trips). Facilities are basic but improving.
How to Reach Patratu Dam
- From Ranchi: 35–40 km drive via Kanke–Patratu Road (1–1.5 hours). The scenic route through Patratu Valley is beautiful.
- From Ramgarh: 28–30 km.
- By Bus/Taxi: Frequent taxis, cabs, and shared vehicles from Ranchi.
- By Train: Ranchi Junction, then cab.
- Self-drive is highly recommended for enjoying the winding valley roads.
Best Time to Visit Patratu Dam
| Season | Months | Experience |
| Peak Season | October to February | Cool weather, pleasant for picnics & boating |
| Monsoon / Post-Monsoon | July to October | Lush greenery, full reservoir, dramatic views |
| Winter | December to February | Cool climate, beautiful sunrise & sunset |
| Summer | March to June | Warm — visit early morning or evening |
The best time is October to February. Evenings are especially magical for sunset views over the lake.
Nearby Places to Visit Patratu Dam
| Place | Distance | Description |
| Patratu Valley (Patratu Ghati) | Adjacent | Scenic winding roads and viewpoints |
| Ramgarh | 28–30 km | District headquarters with historical sites |
| Ranchi | 35–40 km | Waterfalls, temples & city attractions |
| Kanke Dam | Nearby | Another peaceful reservoir |
| Rajrappa Temple | ~70–80 km | Famous temple at the confluence of rivers |
Frequently Asked Questions (FAQs)
Q1. Where is Patratu Dam located?
Patratu Dam is located in Ramgarh district, Jharkhand, about 35–40 km from Ranchi and 28–30 km from Ramgarh town.
Q2. What are the timings of Patratu Dam?
The dam area is open from 6:00 AM to 7:00 PM. Boating is available from 9:00 AM to 6:00 PM.
Q3. What is the entry fee at Patratu Dam?
Entry is free or has a nominal fee. Boating charges range from ₹100 to ₹300+ per person.
Q4. What is the best time to visit Patratu Dam?
October to February offers the best weather. Monsoon and post-monsoon provide lush green scenery.
Q5. Is boating available at Patratu Dam?
Yes, various boating options including speed boats, pontoon boats, and lake cruises are available.
Patratu Dam is a perfect quick escape from Ranchi, offering a beautiful mix of hills, valley views, and a serene reservoir. Whether for a family picnic, romantic sunset, or adventurous boating, it delivers a refreshing experience. The scenic drive through Patratu Valley makes the journey as enjoyable as the destination itself. Best visited during winter for the most pleasant experience!












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