Info
| Date | 13 June 1990 - 22 June 1990 |
| Discipline | Road |
| Category | 2.1 |
| Country |  Switzerland |
| Start | Winterthur |
| Finish | Zürich |
| Distance | 1859.0 km |
| Website | www.tds.ch |
Stages
| Stage | Date | Start | Finish |
|---|---|---|---|
| 1 | 13.06 | Winterthur | Winterthur |
| 2 | 14.06 | Winterthur | Aarau |
| 3 | 15.06 | Aarau | Basel |
| 4 | 16.06 | Basel | Solothurn |
| 5 | 16.06 | Solothurn | Balmberg |
| 6 | 17.06 | Solothurn | Unterbäch |
| 7 | 18.06 | Unterbäch | San Bernardino |
| 8 | 19.06 | San Bernardino | Lenzerheide Valbella |
| 9 | 20.06 | Lenzerheide Valbella | Unterägeri |
| 10 | 21.06 | Unterägeri | Herisau |
| 11 | 22.06 | Herisau | Zürich |
Last winners
| 1990 | |
| 1989 | |
| 1988 | |
| 1987 | |
| 1986 | |
| 1985 | |
| 1984 | |
| 1983 |
