Heng Sure (恆實法師, Pinyin: Héng Shí, birth name Christopher R. Clowery;[1] born October 31, 1949) is an American Chan Buddhist monk and a senior disciple of Venerable Hsuan Hua.

Heng Sure participated in the Sixth World Buddhist Forum held in Ningbo, Zhejiang Province, China, where he emphasized gratitude and interconnectedness, reflecting on Buddhism's shared spiritual heritage.

[1][2][6][7][14][16] This journey, dedicated to world peace,[12][13] involved taking three steps followed by a full prostration to the ground, covering approximately one mile per day and lasting two years and nine months.

[1][2][3][6][11][12][14][15][16] The pilgrimage was inspired by their teacher, Hsuan Hua, who instructed them to transform their inner greed, anger, and delusions to bring peace to the world starting with their minds.

[3][11][12][14][15] Their experiences, challenges, and reflections were later compiled in the book Highway Dharma Letters: Two Buddhist Pilgrims Write to Their Teacher, documenting their spiritual journey and insights.