Mid-seventies, high school. A bunch of us hiked up a very steep, very long hill above town; hiked probably a good half-mile or more. No trees on this mountain; barely even any scrub grass; basically nothing to stop a rolling stone except loss of momemtum. Found a HUGE boulder half buried in the earth. We decided to see if we could dig it up. Turned out it took all 5-6 of us over an hour to dig out the low side enough that it didn't take much to send it. Size of a small car.
Down it went, hopping left, right; tumbling; gaining momentum, catching BIG, knarly air. AWESOME! Wait. Holy crap it's not breaking up! We watched in horror as it cleared the embankment that was the edge of the parking lot for a local church. Actually, it was the driveway between the embankment and the church wall that led to the parking lot.
Probably 90% intact when it disappeared into the church. Made the front page of the local paper, pictures and all.
Not technically a trundle but pretty much the same experience. A few of us were up at Trapper Dome, Courtright Reservoir. There are a number of excellent climbs which start on a large ledge on the south side of this dome. One can walk up onto this ledge from either end, but in the middle it drops off vertically for about 60 feet into the woods below.
At this time a huge dead tree stood at the base of this little cliff, and this tree towered above the ledge. I had looked at this tree many times for several years, and it was becoming less stable over time. It was becoming a hazard. At it’s base this tree was more than 4 feet in diameter, at the level of the ledge about 3 1/2. It stood at least 80 feet above the ledge and if a good wind brought it down at the wrong time it would rain death on climbers below.
On this day we got up to the ledge and saw that the tree was leaning dangerously. I looked over the edge, down toward the base of the tree and was amazed to see that the tree was leaning against the cliff, supported by a 6 foot stub of a broken branch which was stuck against and grinding into the wall. The entire tree appeared to be balanced against this single branch which was about 10 inches thick.
I pointed this out to my friends who included McCollum, Keesee, Grigsby and a South African fellow who was travelling with Grigs. My proposal was to take out the branch by dropping a large stone on it and then run for our lives. Grigsby dug out his camera and removed himself to a safe distance to document our demise. I picked up a block the size of a small cooler a dropped it, scoring a direct hit on the branch. The whole tree groaned as the end of the branch gave a little but held. We each in turn bombed the branch and then it went. We ran to the far end of the ledge as the huge tree collapsed. At first it fell slowly but then suddenly it disintegrated violently.
It was one of the most awesome things I have ever seen. I used to carry around a trumpet in those days, and after the dust cleared I played “The Ride of The Valkyries” as a finishing touch. My friends played dead in the wreckage, some of which is still there...
Pictures showed a HUGE hole in the asphalt driveway. You could walk through the hole in the wall. Fortunately, there was never an investigation; it was just assumed that the boulder came loose and slid down the mountain. Had anyone gone up there, they would've seen that it had been clearly dug out.
my bestest trundle was while doing an Fa on hogs back about 1978. No pics - but there was a flake of about ten feet across, six to seven feet in height and from two to five inches thick that i was approaching after a run out on a blank slab section. The left side butted into a small crack system which i planned to follow. the flake seemed solid as i friction-ed up the face of it angling for the crack> i felt WEIRDNESS at first. Then realized the flake was sliding of the muth-f8ckin face! As it slid i simply ran-frictioned IN PLACE as it began to hurtle downward, ending me up in the same basic place at the bottom of where the flake USED to be!
The flake began to topple then after about 200' of travel, hit a large pine about ten feet up its trunk exploding it into shrapnel that we could see going almost to the river..Luckily not one piece hit my buddies as they were off to the right quite aways,, we all laughed about it after the fact.