Nimbus Flat Access provides public boat launch facilities on Lake Natoma with two launch ramps offering year-round continuous access for both motorized and non-motorized watercraft, plus a car-top boat launch area.

The facility features ample parking, picnic areas with shade, and is located near the CSUS Aquatic Center, making it an excellent starting point for paddling and fishing activities. Operating hours are 6:00 a. m. to 9:00 p. m.

during summer (April 1-October 15) and 7:00 a. m. to 7:00 p. m. in winter, with a $10 day-use fee.