(Result of geothermal heating; temperature ~30°C–70°C)
| Hot Spring | Location | Notes |
|---|---|---|
| Satdhara Kund | Rajgir | Group of seven streams |
| Surya Kund | Rajgir | Hottest spring |
| Makhdum Kund | Rajgir | Religious importance |
| Brahma Kund | Rajgir | Sacred bathing |
| Nanak Kund | Rajgir | Associated with Guru Nanak |
| Hot Spring | Location | Notes |
|---|---|---|
| Lakshman Kund | Munger | Mythological link |
| Rameshwar Kund | Munger | Sacred |
| Gaumukh Kund | Munger | Origin point |
| Sita Kund | Munger | Famous hot spring |
| Rishi Kund | Munger | Pilgrimage site |
Memory Trick:
Ram–Lakshman–Sita–Rishi → Gaumukh → Munger
| Lake | District | Important Notes |
|---|---|---|
| Anupam Lake | Kaimur | “Kaimur ka lake ati anupam” |
| Kharagpur Lake | Munger | Among Asia’s largest man-made lakes |
| Kanwar (Kabar) Lake | Begusarai | Asia’s largest freshwater oxbow lake; Ramsar Site |
| Ghora Katora Lake | Nalanda (Rajgir area) | Horse-hoof shaped |
| Gogabil Lake | Katihar | Bird habitat |
| Matsyagandha Lake | Saharsa | Name due to fish smell |
| Hill / Range | District | Key Facts |
|---|---|---|
| Barabar Hills | Jehanabad | Oldest rock-cut caves (Mauryan); Ashokan inscriptions |
| Nagarjuni Hills | Jehanabad | Twin hills of Barabar |
| Mandar Hills | Banka | Samudra Manthan legend; Basuki Nag |
| Bateshwar Hills | Bhagalpur | Religious |
| Dungeshwari Hills | Gaya | Near Phalgu River |
| Kaimur Range | Kaimur | Eastern extension of Vindhya Range |
| Mundeshwari Hills | Kaimur | Mundeshwari Devi Temple (608 ft) |
| Kauvadol / Kavadol Hills | Gaya | Local significance |
| Brahmajuni Hills | Gaya | Religious |
| Gurpa Hills (Kukkutpada Giri) | Gaya | Nirvana of Mahakasyapa |
| Pretshila Hills | Gaya | Pind daan rituals |
| Pragbodhi Hills | Gaya | Buddha’s austerity before enlightenment |
| Ramshila Hills | Gaya | Lord Rama’s pind daan |
| Gridhakuta (Vulture Peak) | Rajgir | Buddha sermons |
| Rajgir Hills | Rajgir | Pant Wildlife Sanctuary |
| Vaibhar Hills | Rajgir | Saptaparni Cave; 1st Buddhist Council |
| Cave | Location | Importance |
|---|---|---|
| Barabar Caves | Jehanabad | Oldest rock-cut caves (Mauryan) |
| Lomas Rishi Cave | Barabar | Famous chaitya arch |
| Gopika Cave | Barabar | Ashokan period |
| Indasala Cave | Barabar | Buddhist association |
| Dungeshwari Cave | Gaya | Buddha’s meditation |
| Mahakala Caves | Gaya | Buddhist |
| Patalpuri Caves | Gaya | Religious |
| Pippala Cave | Gaya | Buddhist |
| Saptaparni Cave (Sattaparnaguha) | Rajgir | 1st Buddhist Council |
| Son Bhandar Caves | Rajgir | Legend of hidden treasure |
| Sitamarhi Cave | Rajgir | Buddhist |
| Vadathika Cave | Rajgir | Buddhist |