Meet Steve Blacksmith from Halifax Scientific Society in Mill Fold car park, Ripponden (off B6113) (grid reference SE040198) at 10.30 for a walk around Ripponden/Rishworth on river bank, pasture, lanes and historic pack-horse causey. Distance circa 3.5 miles. For more information, ring 0771 500 5379. Free of charge but donations welcome to Halifax Scientific Society. Bring lunch.