RIVERSIDE COUNTY

CAMELOT CARRIAGES, tours of historic downtown Riverside, reservations required, prices vary, (909) 685-1535.

CARRIAGES BY MARGARET, horse-drawn coach tours of downtown Riverside, 5-9 p.m. most Saturdays, weather permitting, meet at the Orange Street entrance of the Mission Inn, $20-$110, (909) 789-1620.

GUIDED LLAMA HIKES AND TRIPS, scenic hikes and wildlife excursions from two hours to overnight, reservations required, rates from $20 (two-person minimum), (909) 685-6778.

THE HAY DUDE RANCH, horseback riding in the San Jacinto Mountains near Idyllwild, personal tours and specialty rides available, $25 per hour, group rates and multiple-hour discounts available, (909) 763-2473.

HISTORIC MISSION INN HOTEL TOUR, a 75-minute walk daily, starting in the Mission Inn Museum, 3696 Main St., Riverside, call for times and reservations, $8, (909) 788-9556.

HOT-AIR BALLOON TOURS, 60-75 minute flights at sunrise over the Temecula Valley, daily, prices start at $135 per person; one-hour sunset over the Del Mar coast, daily, prices start at $150 per person, reservations required, (800) 965-2122.

JURASSIC EXPEDITIONS, "Earth In Motion," three-hour, 80-mile motor coach tour of San Andreas Fault, reservations required, (760) 862-5540.

LANDSCAPES SOUTHERN CALIFORNIA STYLE, one-acre water conservation demonstration garden, 10 a.m.-4 p.m. daily, free guided tours by appointment, 450 Alessandro Blvd., Riverside, (909) 780-4177.

NATURE HIKES, moderate hike, Pipes Canyon, 9 a.m.-2 p.m. Saturday, $4; very strenuous hike, Bear Creek Palms, 9 a.m.-3 p.m. Wednesday, $4, meet north parking lot of the Palm Springs Desert Museum, 101 Museum Drive, Palm Springs, (760) 325-0189.

TEMECULA WINE COUNTRY TOURS, three- to four-hour guided bus tour of wineries, groups of 15 or more, reservations required, $75-$80, (909) 694-0292.

UCR BOTANIC GARDENS, self-guided tours 8 a.m.-5 p.m. daily (wheelchair walks daily by appointment), UCR, 900 University Ave., Riverside, free, (909) 787-4650.

SAN BERNARDINO COUNTY

BIG BEAR DISCOVERY CENTER, Grout Bay Canoe Tour 4:30-7 p.m. Fridays-Sundays, tours are weather permitting, Highway 38, north shore of Big Bear Lake, 1-½ miles west of Stanfield Cutoff, call for rates, reservations recommended, (909) 866-3437, for directions (800) 424-4232.

RILEY'S FARM, Living History Tours, 9 a.m.-2 p.m. Tuesdays-Saturdays, reservations required, 12253 S. Oak Glen Road, Oak Glen, $6-$12, (909) 797-5145.

ROYAL PURPLE COACH, tours of Redlands in a Victorian carriage, available for weddings, parties and other occasions, reservations required, prices start at $10, (909) 797-6331.

ORANGE COUNTY

NEWPORT HARBOR SIGHTSEEING CRUISES, narrated harbor cruises, private charters, dinner and brunch cruises and special events, hourly 11 a.m.-4 p.m. daily, 600 Edgewater Place, Balboa, $6-$9, (949) 673-0240.

LOS ANGELES COUNTY

AQUARIUM OF THE PACIFIC, behind-the-scenes tours, 9:30 and 11 a.m., 1 and 2:30 p.m. daily, 100 Aquarium Way, Long Beach, $15, (562) 951-1630.

BEVERLY HILLS TROLLEY TOURS, Art and Architecture tour featuring a docent-led tour of Gagosian Gallery, Beverly Hills City Hall, Creative Artists Agency and the Museum of Television and Radio, 11 a.m. Saturdays; Sites and Scenes trolley a 40-minute docent-led tour of attractions including Rodeo Drive, hourly noon-4 p.m. Tuesdays-Saturdays, meet at the corner of Rodeo Drive and Dayton Way, Beverly Hills, $5, children younger than 12 $1, (310) 285-2438.

UNIVERSAL STUDIOS HOLLYWOOD: STUDIO TOUR, behind-the-scenes studio tour, 10 a.m.-6 p.m. daily, 100 Universal City Plaza, Universal City, $43, seniors $37, children 3-9 $33, (818) 622-3801.

WARNER BROS. behind-the-scenes tour every 30 minutes, 9 a.m.-4 p.m. Mondays-Fridays, Hollywood Way and Olive Avenue, Burbank, reservations required, $32, (818) 954-1744.

SAN DIEGO COUNTY

CANYONEER GUIDED WALK, easy walk in Lopez Canyon in San Diego, 9:30-11 a.m. Saturday; moderate hike to Valley of the Moon in Jacumba, 9:30 a.m.-2 p.m. Sunday, free, for directions call (619) 232-3821, ext. 4.

THE HAY DUDE RANCH, horseback riding in San Dieguito River Park, located on Sunset Drive across from North County Fair Mall, $35 per hour, (760) 743-3215.

QUAIL BOTANICAL GARDENS, self-guided tours 9 a.m.-5 p.m. daily, 230 Quail Gardens Drive, Encinitas, $5, seniors $4, children 5-12 $2, (free admission first Tuesday of each month), (760) 436-3036.