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 By raachotrekkers We trudge on the least explored trails and terrains of Kinnaur, Spiti, Uttarkashi and Garhwal region. View all of raachotrekkers's posts.