Saturday: Mountain bike racing, stunt riding, children's' bike parade and safety instruction at BikeJam2000, 9 a.m. - 4 p.m., Patterson Park. Free. Information, 410-276-3676.
Saturday: Join Jim Meyers and the Wild Bird Center staff for a walk in Cromwell Valley Park, 8 a.m. Call Wild Bird Center for details, 410-666-4550.
Saturday: Baltimore County naturalist Glen Swiston leads a 2-mile walk along the Gunpowder River Trail to see nesting bank swallows, wood ducks, marsh wrens and Caspian terns. may be muddy. Telescopes useful. Information, 410-687-1461.
Next Sunday: Study the birds along the Jones Falls in the city with members of the Baltimore Bird Club. Meet at Poly-Western High School parking lot, Falls Road and Cold Spring Lane, 7:30 a.m. Information, 410-542-3368.
June 17: Join Jim Meyers and the Wild Bird Center staff for a walk in Cromwell Valley Park, 8 a.m. Call Wild Bird Center for details, 410-666-4550.
June 17: Join Irvine Natural Science Center staff member Rob Mardiney for a summer bird walk, 8 a.m. - 9:30 a.m. The center is at St. Timothy's School in Stevenson. Fee, $4 ($3 for members). To register, 410-484-2413.
Saturday: Greenwing Family Fun Day, sponsored by the Central Maryland Chapter of Ducks Unlimited, 10 a.m. - 3 p.m., Baltimore County Game and Fish Protective Association, 3400 Northwide Road. Rain or shine. Build bird houses and feeders, learn to fly tie and cast, watch waterfowl carvers, see falconry display. Admission, $10. All attendees get lunch and Greenwing T-shirt. Call Jane Zimmer for registration form, 410-866-6200 (days), 410-592-8626(evenings).
June 13: Salamander Hike with Peter Martin, naturalist with the Irvine Natural Science Center, 4 p.m. - 5 p.m. Children must be accompanied by an adult. Fee, $4 ($3 for members). To register, 410-484-2413.
June 7: Guide and author Larry Coburn will discuss "Common Sense Flyfishing" at meeting of Free State Fly Fishers, 7:30 p.m., Davidsonville Family Recreation Center, Queen Anne Bridge Road, Davidsonville. Information, 410-836-9080.
June 9-11: Fifth annual Rock Hall Rockfish Tournament. Entry fee, $100 per day per boat; $125 for licensed fishing guide. Entries limited to 200 boats each day. First prize, $10,000; $5,000 second prize; $3,000 third prize. Weigh in at Rock Hall Harbor each day starting at 11 a.m. Information, call Betty Duty, 410-269-6622.
June 10: Chesapeake Women Anglers' "Fish, Lunch, Learn Outing," at Patuxent Middle River in Savage, 8 a.m. Meet at on the Foundry Road bridge for fishing. Lunch at the Savage Mill Shops will be followed by a fly tying workshop. For reservations, call 240-632-9318.
June 10: Crankin' Bassmasters Open Team Tournament, 6:30 a.m.- 3:30 p.m., Dundee Creek Marina at Gunpowder State Park. Entry fee, $50 per boat by June 2, $55 after. Information, 410-557-6422between 7 p.m. and 9 p.m.
June 12: Capt. Drew Payne of Cheasapeake Beach will talk about catching drum and hardhead at meeting of Pasadena Sportsfishing Group, 7:30 p.m., Earleigh Heights Volunteer Fire Co, Ritchie Highway and Earleigh Heights Road. Information, 410-HEYFISH.
June 21: Capt. Chuck Fisher of BFG Fishing Guides will speak at the Annapolis chapter of the Maryland Saltwater Sportsfisherman's Association, 7:30 p.m., VFW Post 304, 400 Chinquapin Round Road. Information, 410-757-3922.
June 3: A 5- to 6- mile hike with the Sierra Club in Gunpowder State Park, 10 a.m. Some hills and slopes. Bring lunch and water. Meet at end of Bunker Hill Road. Information, 410-662-5767.
June 10: Take a 4 1/2 -mile hike along Bel Air's newly opened paved rail trail with the Sierra Club, 9 a.m. Bring snack and water. Meet at Loch Raven High School. Information, 410-828-0048.
June 14: Talk a two-hour walk after work with members of the Sierra Club along Loch Raven Reservoir, 6:30 p.m. Bring water and bug spray. Meet in church parking lot at Dulaney Valley and Seminary roads. Information, 410-337-8736.
June 17: Learn the fundamentals of trap shooting and firearms safety, 9:30 a.m.- 1 p.m., at the Loch Raven Skeet and Trap Center in Phoenix. The clinic is sponsored by the Women's Shooting Sports Foundation. The $25 fee covers loaner guns, ammunition, targets and lunch. To register, 410-931-4514or 410-252-3851.
June 26-Aug. 4: Help Irvine Natural Science Center staff with the urban outreach program to Baltimore youngsters this summer. Volunteers will work in teams and be trained by science center staff. No experience needed. Call Erin or Joe at 410-484-2413.
Items for the Outdoors Journal may be mailed to Outdoors Editor, The Baltimore Sun, 501 N. Calvert St., Baltimore, Md. 21278-0001. Please include time, date and location of events, as well as a short description of planned activities and a telephone number for more information. Please mail listings four weeks before the date of the event.