Here are the top 10 Durga temples in Bihar

1. Mahavir Mandir, Patna: Located in Patna, Mahavir Mandir is one of the most famous Durga temples in Bihar. It is dedicated to Goddess Durga and attracts a large number of devotees during Navratri.
2. Mundeshwari Temple, Kaimur: Situated in Kaimur district, Mundeshwari Temple is an ancient temple dedicated to Goddess Durga. It is considered one of the oldest functional temples in Bihar.
3. Kali Mandir, Patna: Kali Mandir, also known as Dakshin Kali Mandir, is located in Patna and is dedicated to Goddess Kali, an incarnation of Durga. It is a popular destination for devotees and tourists alike.
4. Kameshwar Sthan Temple, Darbhanga: Kameshwar Sthan Temple, situated in Darbhanga, is an ancient temple dedicated to Goddess Durga. It is renowned for its unique architectural style and religious significance.
5. Lakhisarai Durga Temple, Lakhisarai: Lakhisarai Durga Temple, located in Lakhisarai district, is a famous Durga temple in Bihar. It is known for its grand celebrations during Navratri.
6. Bhavani Mandir, Munger: Bhavani Mandir, situated in Munger, is a prominent Durga temple in Bihar. It is believed to be one of the 52 Shakti Peethas, where body parts of the goddess are said to have fallen.
7. Kali Mandir, Buxar: Kali Mandir in Buxar is a revered Durga temple in Bihar. It is dedicated to Goddess Kali and is known for its religious and cultural significance.
8. Bari Patan Devi Temple, Patna: Bari Patan Devi Temple, located in Patna, is dedicated to Goddess Durga. It is a popular destination for devotees, especially during the Navratri festival.
9. Durga Mandir, Gaya: Durga Mandir in Gaya is a renowned Durga temple visited by numerous devotees. It is situated near the famous Mahabodhi Temple and holds immense religious significance.
10. Dakshineswar Temple, Begusarai: Dakshineswar Temple, situated in Begusarai, is a prominent Durga temple in Bihar. It is dedicated to Goddess Durga and is known for its vibrant festivities during Navratri.

Please note that the list is not exhaustive, and there are many more Durga temples in Bihar. These ten temples are among the most well-known and revered ones.