Yes, November 2012. There had been an early snow storm a couple of weeks before, and very cold temps.
4 inch, new, clear ice is probably safe for skating or ice fishing, but less than that is a big no-no. But try to avoid heavy falls...eh eh.
I was xc-skiing across Blue Lake (above lake Sabrina) on clear ice, when I started hearing loud "pow" sounds of ice cracking. It was time to leave then! Heard the same sounds at Long Lake (above Mosquito Flat - Rock Creek Canyon) with some guys practicing ice hockey moves - again, time to get off the ice. So, although new, clear ice, > 4 inches is probably safe, water movement under the ice can initial breakup. Scary, eh?
The opening scene is on the trail just below Lower Lamarck Lake, on the approach to Lamarck Col. I don't recognize the skate lake; I'll ask Steve the next time I see him. Maybe Laura can identify the lake.
Really well done. Terrific music. Did John Dittli film that?
Ostrander Hut has about 20 pair of ice skates they keep on hand when it's a cold/snowless fall. One of the great things about that time of year is listening to the booming and cracking of the ice as small surges of water move back and forth as ice shifts. Although I've skied across ice a number of times, I'm not a major fan. Always nerve wracking and I just don't trust ice.
They make ice picks that connect on a line through the sleeves so they dangle near the hands if you go through. Seems like minimum safety equipment to have on these adventures (though noticed the one guys seemed to be carrying a short rope).