Great Falls Park, MD: From C&O Canal Lock 19 on the towpath to Lock 22, cross there, along the canal to Blockhouse Park, to River Rd. to the parking lot in Blockhouse Park, then down the horse trail back to the canal and Lock 22, then down river to Lock 17, then back to Lock 19. Ice. Today I made-up for the 70F days of my trip down south. Except for a short <1 mile plowed stretch around Swains Lock and the .4 mile, 45m vertical climb on River Rd. the whole route (a variation of one in my
guide) was on 1-2" of irregular foot stomped ice. An often strong headwind going out and up river made it a bit worse but the ice took so much concentration and slowed me down so much that I noticed the wind less. It was around 40F and sunny starting out. The ice was more solid then. The river was a rare sight and cacophony of scrapes and roars as ice floes jambed tightly together the whole width of the fast moving riverbed. I saw a fox while going out who in trying to get away from me scampered across the partly frozen canal. Coming back, the ice jamb had mostly cleared but there were still many mini-icebergs. My feet got pretty wet in the snow in Blockhouse Park. It'd be nice to have an O' map of this park since most of it seems like the best of parts in Great Falls, MD. Available mile splits: 7:56, 7:55, 8:53 (for 1.07 miles), 8:37; then returning: 8:29, 8:42 (for 1.07 miles), 7:40, 8:02.