Timeline
| Year | Addition |
|---|---|
| 1973 | Henley Aerodrome founded by Clayton Henley. |
| 1981 | Gary Norton buys Henley Aerodrome from the heirs of the Henley estate and lengthening and other improvements are done to the airstrip. Hangar is turned into an air museum. Old English type inn is built. |
| 1986 | Norton outbids Disney and others for a narrow-gauge locomotive for use at the Aerodrome. |
| 1988 | Silverwood opens to the public with the Silverwood Central Railroad, Main Street shops (including a movie theater), and Country Carnival, which includes a small assortment of carnival rides |
| 1990 | Roaring Creek Log Flume |
| 1991 | Corkscrew (relocated from Knott's Berry Farm) |
| 1993 | Thunder Canyon |
| 1996 | Timber Terror (originally named Grizzly). |
| 1999 | Tremors |
| 2003 | Boulder Beach Water Park opens including Elkhorn Creek lazy river, Wave Pool, Rumble Falls tube slides, and Polliwog Park children's area |
| 2004 | Boulder Beach expansion including Velocity Peak speed slides |
| 2005 | Trabant and new Sky Diver |
| 2006 | Panic Plunge |
| 2007 | Boulder Beach expansion including second Wave Pool, Avalanche Mountain, and Toddler Springs children's area |
| 2008 | Aftershock (relocated from Six Flags Great America) |
| 2009 | Scarywood debut |
| 2011 | Boulder Beach expansion including Ricochet Rapids; theme park addition of Frog Hopper and Butterflyer |
Read more about this topic: Silverwood Theme Park