Sites 1-13 have full hookups. Sites 14-21 have water and electricity only. Others are good for tents and self-contained RVs.
There are also 4 camping cabins available for rent, plus 5 boat launches:
Like most US Army Corps of Engineers parks, Chief Timothy has a playground, flush toilets, hot showers, and an extensive Day Use Area.
Nearby Chief Timothy Memorial Bridge, buiilt in 1923, crosses Alpowa Creek. The bridge is no longer in service, but is on the National Register of Historic Places: