Hike to Columbine Lake, 7 a.m. Saturday; contact Chris Blackshear at 238-1541 or [email protected].Hike Greyrock Ridge Loop at Relay Creek, 7 a.m. Monday; contact Susan Beck-Brown at 375-0948 or [email protected].Hike at Snowden Ponds, 7:30 a.m. Monday; contact Penny Jones at 426-9585 or [email protected].Bike ride for intermediate road cyclists, 8:30 a.m. Monday; contact Bob Schuckart at 422-8406 or [email protected].Mountain bike ride, 9 a.m. Tuesday; contact Jim Shadid at 259-2731, 422-2485 or [email protected].Easy hike to Castle Rock, 7:30 a.m. Wednesday; contact Susan Beck-Brown at 375-0948 or [email protected].Outing at Ptarmigan Lake, 7 a.m. Thursday; contact Bill Cagle at [email protected].Hike at Maggie Gulch, 8:30 a.m. Thursday; contact Joline Morrison at 884-2572 or [email protected].Bike ride, 8:30 a.m. Thursday; contact Jim Newman at 844-7717 or [email protected].For more information, go to www.seniorsoutdoors.org.