Many important Jain temples are on mountains, for example:

• Shatrunjaya (Palitana) – Gujarat
• Sammed Shikhar (Parasnath) – Jharkhand
• Girnar – Gujarat
• Abu (Delwara) – Rajasthan
• Sonagiri – Madhya Pradesh

Your question: “When and who built all temple on mountain” This is not possible to answer exactly unless we know which mountain you are asking about, because:

1. Jain tirth on mountains were not built at one time by one person.
2. They developed over many centuries, by many kings, acharyas, shravaks and donors.
3. Old temples were often renovated, rebuilt and expanded again and again.

Please tell me the name of the mountain or tirth (for example: Palitana / Shatrunjaya, Sammed Shikhar, Girnar, Abu, Sonagiri, etc.), then I can explain:

• Approximate time period
• Main rulers / donors involved
• Jain belief about the spiritual history of that place (tirthankar sambandh)