https://calendar.yahoo.com/?v=60&view=d&type=20&ST=20210723T230000Z&ET=20210724T030000Z&TITLE=Mermaids%20Cave%201%2F2%20day%20walk&DESC=Practice%201%2F2%20day%20bushwalk%2C%20mostly%20on%20track%20with%20two%20short%20off%20track%20sections.%20Easy%20and%20medium%20grade.%20Less%20than%205%20km.%20Practice%20navigation.%20All%20participants%20require%20a%20current%20Scouts%20NSW%20membership%20number.%3Cbr%2F%3E%3Cbr%2F%3E%20For%20more%20info%2C%20go%20to%3A%20%3Ca%20href%3D%22https%3A%2F%2Fevents-test.nsw.scouts.com.au%2Fevent%2F416%22%20target%3D%22_blank%22%3Ehttps%3A%2F%2Fevents-test.nsw.scouts.com.au%2Fevent%2F416%3C%2Fa%3E&in_loc=Blackheath%20Station%2C%20Railway%20Parade%2C%20Blackheath%2C%20NSW%202785