The 1990 Vuelta a España was the 45th edition of the Vuelta a España, one of cycling's Grand Tours. The Vuelta began in Benicàssim, with an individual time trial on 24 April, and Stage 12 occurred on 5 May with a stage from . The race finished in Madrid on 15 May.
Stage 12
5 May 1990 — to Naranco,
Stage 13
6 May 1990 — Oviedo to Santander,
Stage 14
7 May 1990 — Santander to Nájera,
Stage 15
8 May 1990 — Ezcaray to Valdezcaray, (ITT)
Stage 16
9 May 1990 — Logroño to Pamplona,
Stage 17
10 May 1990 — Pamplona to Jaca,
Stage 18
11 May 1990 — Jaca to Cerler,
Stage 19
12 May 1990 — Benasque to Zaragoza,
Stage 20
13 May 1990 — Zaragoza to Zaragoza, (ITT)
Stage 21
14 May 1990 — Collado Villalba to Palazuelos de Eresma,
Stage 22
15 May 1990 — Segovia to Madrid,