Answer

If by “NA” you mean North America, there is no single universally accepted “biggest” Jain tirth there. But the most well-known and important Jain pilgrimage place in North America is generally considered Siddhachalam, New Jersey, USA.

Explanation

Some of the major Jain tirths and Jain religious centers in North America are:

• Siddhachalam, Blairstown, New Jersey — one of the most prominent Jain pilgrimage places in the West
• Jain Center of America, New York
• Jain Center of Greater Houston, Texas
• Jain Temple and Religious Center, Chicago area
• Jain Center of Southern California

Among these, Siddhachalam is especially significant because it was established as a dedicated Jain spiritual and pilgrimage center.

Spiritual Understanding

For Jain devotees, a tirth is not only a temple but a sacred place that helps deepen faith, silence, devotion, and inner purity. Visiting such places supports:

• Darshan and bhakti
• Meditation and self-discipline
• Connection with Jain sangh
• Inspiration for ahimsa, tapasya, and right conduct

Takeaway

If you want the biggest and most famous Jain tirth in North America, the best answer is usually Siddhachalam, New Jersey.