OPB will be presenting "Thin Ice" a stand alone production about the largest discovered glacier caves, outside of Alaska, in the United States right here on the Northwestern slopes of Mt. Hood in the Sandy Glacier. Oregon Field Guide will be airing several episodes of the exploration of the cave with explorers and mappers Eddy Cartaya and Brent McGregor with Oregon Public Broadcasting's Amelia Templeton. Frozen waterfalls and up to 80 foot wide caves will first be seen for many on this presentation!

  • Thursday, October 10 at 8:30 p.m. on OPB TV
  • Sunday, October 13 at 1:30 a.m. on OPB TV
  • Sunday, October 13 at 6:30 p.m. on OPB TV