Christensen Field, the City of Fremont's event grounds at 1710 W. 16th St. in Fremont, has 120 RV hookups outside the Main Arena: 20 with 30-amp service on the east side and 26 with 30-amp and 26 with 50-amp service on the west side. Sites are $25 a night, first come, first served, and are closed from November 1 to mid-April.