For things to do in the area, include places to eat, stay and activities in addition to attending the Downtown Oronoco Gold Rush event, check out this website provided by the Rochester Area Visitors Bureau.
If you choose to stay at the Oronoco City Park the river has gone through a transformation to encourage kayaking. The city park is located on the North end of Oronoco and is within walking distance of the Oronoco Gold Rush Days event. You can set up a tent or bring in an RV but there are no electric or water hook ups. There is a restroom and a pavilion for picnicking or playing games.