What is there to do at South Yuba River State Park? 
human
The following activities are available to you when you visit South Yuba River State Park.  Go fishing  Go boating  Go horseback riding  Go hiking  Go mountain biking  Go birding  Go to the old Pony Express camp 
assistant
This sounds like a lot of fun. I see several things I want to try. 
human
The park may be busy in the summer, so you should check the hours of operation before going to the park. I recommend calling ahead or visiting the official website for this information.
assistant
What is there to do at South Yuba River State Park? 
human
The following activities are available to you when you visit South Yuba River State Park.  Go fishing  Go boating  Go horseback riding  Go hiking  Go mountain biking  Go birding  Go to the old Pony Express camp 
assistant
This sounds like a lot of fun. I see several things I want to try. 
human
Yes, you have many options to choose from!
assistant