The term Spiti means 'The Middle Land', and the place is very appropriately named, as Spiti Valley separates India from Tibet.
Lahaul and Spiti district is surrounded by high mountain ranges. The Rohtang Pass separates Lahul and Spiti from the Kullu Valley.
Time to visit Spiti:
April to early Oct is considered as the best time to visit Spiti. You can plan your trip in mid july but if you can shift to June or late August it would be perfect. Although Spiti dosent get a lot of rain but as the roads are narrow and muddy they might get blocked if the rain is heavy.