Attendee Reservations Hotel Information
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Need to Book Multiple Group Reservations?   
2018 Spring Symposium: The 21st Century H-R Diagram

Welcome to the 2018 Spring Symposium: The 21st Century H-R Diagram reservation site!

A block of rooms has been reserved for April 21, 2018 - April 27, 2018. The special room rate will be available until March 21st or until the group block is sold-out, whichever comes first.

Booking a reservation from our site is simple. To begin the process, click on "Book a Room" below to receive your group's preferred rate.

See you at the Inn at The Colonnade Baltimore - a DoubleTree by Hilton Hotel in April! We hope you enjoy your stay and your group's event!
Attending an event at our hotel? Special room rates have been arranged for this event. Click on the room type below to view room details.
1 KING LARGER ROOM NONSMOK rates from 161.15 USD/Night
2 QUEEN BEDS NONSMOKING rates from 161.15 USD/Night
21 April 2018 - 27 April 2018
Book by March 21st to reserve your room!
Terms & Conditions Book a Room
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