8:30-20:00。 According to the inquiry of the exhibition hall of Fengjiashan Reservoir, the exhibition hall of Fengjiashan Reservoir is open from 8: 30 to 20: 00. The exhibition hall of Fengjiashan Reservoir is open from 8: 30 to 20: 00. It's free. Fengjiashan Reservoir Exhibition Hall has become a comprehensive exhibition hall integrating party spirit education, patriotism education and clean government education. It is an important training and teaching base for party member cadres to strengthen their party spirit, temper their political character, strengthen their ideals and beliefs and enhance their party spirit. Further help party member cadres to experience the great revolutionary spirit, the revolutionary tradition, and the vivid classroom of Baoji people's great socialist construction in difficulties and hardships.