Is The Spiti Valley Circuit Doable In March? A Is The Spiti Valley Circuit Doable In March? No. The Manali-Spiti route gets closed when thick layers of snow blankets the Kunzum pass in November/December. The traffic movement resumes only after March month. Category: Spiti valley tour FAQs Permalink Back to Top By raachotrekkers We trudge on the least explored trails and terrains of Kinnaur, Spiti, Uttarkashi and Garhwal region. View all of raachotrekkers's posts.