| NAQCPA Pioneer Days | |||||
| Year | Number | Day | Location | Theme | Attendees |
| 1983 | 1 | 1-Oct | Casa Grande | Recollections of Englishtown, Spanishtown, Hacienda residents | |
| 1984 | 2 | 13-Oct | Casa Grande | Recollections of Englishtown, Spanishtown, Hacienda residents | 75 |
| 1985 | 3 | 12-Oct | San Cristobal Tunnel | Re-opening of the San Cristobal Tunnel | |
| 1986 | 4 | 11-Oct | Old Mining Museum | Re-opening of the Mercury Mining Museum in New Almaden | |
| 1987 | 5 | 10-Oct | Old Mining Museum | Grand opening of the Mercury Mining Museum | |
| 1988 | 6 | 8-Oct | Englishtown | Englishtown School House memories | 150 |
| 1989 | 7 | 19-Oct | Bull Run | Delores Taranga tunnel | 85 |
| 1990 | 8 | 10-Oct | Powder House | Powder House | 200 |
| 1991 | 9 | 12-Oct | American Mine | The America Shaft | 120 |
| 1992 | 10 | 10-Oct | Englishtown | Dedication of CCC monument, honoring CCC alumni | 200 |
| 1993 | 11 | 9-Oct | Englishtown | "Our Cornish Cousins" | |
| 1994 | 12 | 8-Oct | Victoria Shaft | Powder House reconstruction dedication | 150 |
| 1995 | 13 | 14-Oct | Spanishtown | Memorial to Friedolin Kessler, Mexican miners | 170 |
| 1996 | 14 | 12-Oct | Casa Grande | Tour Casa Grande, Ole Opry Players, pioneer stories | 250 |
| 1997 | 15 | 11-Oct | Casa Grande | 100th Anniversary of the Diamond Jubilee of Queen Victoria | |
| 1998 | 16 | 17-Oct | Casa Grande | Museum dedication | |
| 1999 | 17 | 9-Oct | Englishtown | Methodist Church Site | |
| 2000 | 18 | 14-Oct | Englishtown | The Chinese at New Almaden | 120 |
| 2001 | 19 | 13-Oct | Day Tunnel | Day Tunnel dedication | |
| 2002 | 20 | 9-Oct | Casa Grande | Blacksmith Shop | |
| 2003 | 21 | 11-Oct | Senador Mine | Senador Mine sign dedication | |
| 2004 | 22 | 9-Oct | Blacksmith Shop | Casa Grande 150th Anniversary, Blacksmith Shop dedication | |
| 2005 | 23 | 8-Oct | Hacienda entrance | ||
| 2006 | 24 | 14-Oct | Spanishtown | Spanishtown sign dedication | |
| 2007 | 25 | 13-Oct | Santa Isabel site | Santa Isabel Shaft dedication | |
| 2008 | 26 | 11-Oct | Wood Road | Wood Road dedication | |
| 2009 | 27 | 10-Oct | Englishtown | Map House dedication | |
| 2010 | 28 | 13-Nov | Casa Grande | Reopening of the Casa Grande after reconstruction | |
| 2011 | 29 | 8-Oct | Outdoor Museum | Outdoor Museum dedication | |
| 2012 | 30 | 13-Oct | Outdoor Museum | Include Railroad sign dedication | |
| 2013 | 31 | 12-Oct | Outdoor Museum | Outdoor Museum and Cornish Miners | |
| 2014 | 32 | 11-Oct | Rotary Furnace | Rossi Retort dedication | |
| 2015 | 33 | 10-Oct | Hacienda entrance | Hacienda Bell Tower dedication | |
| 2016 | 34 | 8-Oct | Casa Grande | Pathway and memorial bench dedication | |
| 2017 | 35 | 14-Oct | Outdoor Museum | NAQCPA 35th Anniversary | |
| 2018 | 36 | 17-Oct | Outdoor Museum | Interpretive Sign Restoration | |
| 2019 | 37 | 12-Oct | Casa Grande | Wagon restoration, Estaban Tunnel | 62 |
| 2020 | Cancelled | ||||
| 2021 | Cancelled | ||||
| 2022 | 38 | 8-Oct | Casa Grande | Memorial to members who have passed | |
| 2023 | 39 | 14-Oct | Casa Grande | New Almaden cemeteries | |