The International Society for Micropiles (ISM) is excited to be hosting the 15th International Workshop on Micropiles on May 31 June 2, 2023, at The Sebastian in Vail, Colorado, a stunning resort in the heart of Vail Village that captures the magic of this storied place.

All the rooms reserved at The Sebastian for the workshop are sold out. We have reserved a courtesy room block at The Four Seasons Hotel, One Vail Road, Vail, CO 81657 for $375.00 per night (plus taxes and fees, subject to change), based on availability. To make reservations, you must call the resort at +1 (970) 477-8680 and note that you are booking with the International Society for Micropiles.

These rooms will be released back to the hotel on May 16, 2023. Additional rooms may be available but not guaranteed.

If you have any questions, contact ISM Executive Director: Mary Ellen Bruce Large at

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