Trip sign up forms usually get emailed out a month before each project weekend and close 2 weeks prior to the trip date. Trips are open to anyone no matter the experience level!

You can join the project email list here: groups.google.com/g/bhhtsurvey
Project Telegram chat: t.me/+b1FuBXy7z60...

2025 Project Weekend Dates
-April 26th - April 27th
-Memorial Day Weekend: May 23rd - 26th
This is a longer trip due to the holiday weekend
All 3 caves (Bighorn, Horsethief, and Titan) will be open!
-June 21st - June 22nd
-August 9th- August 10th
-September 27th - September 28th