Big Bear Lake or Tijuana?

Neither is somewhere to plan a swimming vacation, and both have cool water. Tijuana does give you a real seashore, though: the long sand and promenade of Playas de Tijuana, ending at the border fence, and the wider beaches of Rosarito half an hour south.

Big Bear's lakeshore is mostly rocky, with only one supervised swimming spot, at Meadow Park. In Tijuana, by contrast, swimming near the city is often unwise because of runoff and strong surf, so the beach there is more for walking and lunch than for the water.

This is where the two differ most. Tijuana is a reason to travel in itself. It has spit-roasted adobada, birria and late-night carne asada stands, plus ceviche carts, Baja Med cooking in Zona Río and Chapultepec, and a serious craft beer scene.

Big Bear serves resort comfort food: big breakfasts, pizza, barbecue and a pint after the slopes. Many visitors simply cook in their rented cabin.

Neither has much heritage, but Tijuana offers more to fill a day or two. The Museo de las Californias tells the story of the peninsula, Avenida Revolución keeps its Prohibition-era character, and the mural-covered border fence is a sight you will not forget. Big Bear has the Discovery Center, a small history museum and the old gold-rush traces in Holcomb Valley, and that is about it.

Tijuana has a real night out. There are rowdy bars on Revolución, cantinas and small dance spots on Calle Sexta, and cocktail bars in Zona Río and Colonia Cacho, all busy late at weekends. It pays to stay in those areas after dark.

In Big Bear the evening is some après-ski in winter, a brewpub, then the hot tub. There are no clubs, and nothing runs late.

Big Bear Lake is the outdoor destination of the pair. It has an alpine lake ringed by pine forest, skiing in winter, and mountain-bike trails on the summer slopes. The Pacific Crest Trail passes along the north shore, and the San Gorgonio Wilderness is next door. Bald eagles spend the winter around the lake.

Tijuana itself is dry, scrubby hills with few parks. Its nature lies down the coast: surf breaks near Rosarito, cliffs along the toll road to Ensenada and winter whale-watching, with gentle walking in the vineyards.

Tijuana is a far better base for outings, and they reach two countries. Rosarito and Puerto Nuevo are close by, and Ensenada, the Valle de Guadalupe wineries and Tecate are all an easy day. San Diego lies just north, though the crossing back into the United States can take hours.

Big Bear sits at the end of slow mountain roads. Lake Arrowhead and Oak Glen are about an hour away, but Los Angeles and Palm Springs make for long days, so most visitors stay up on the mountain.

Big Bear is built for families. It has snow-play hills and beginner ski lessons, an alpine zoo of rescued bears and bobcats, an alpine slide in summer and pedal boats on the lake. Cabins with kitchens make the logistics easy.

Tijuana has El Trompo science museum, the IMAX dome and Parque Morelos, but little else for children. The pavements are patchy, the city's attractions are spread far apart, and the theme parks are across the border.

Both places really need wheels, but for different reasons. In Big Bear the difficulty is the steep highway up the mountain, which can need snow chains and crawls on busy weekends, and the cabins scattered through the forest. The Village is walkable, and a seasonal trolley helps.

Tijuana's core can be reached on foot from the San Ysidro crossing. Beyond that it sprawls with no metro, but plentiful cheap ride-hailing means you can manage without driving yourself.

Tijuana has more to browse. There are curio markets for silver, leather and pottery, chillies and vanilla at Mercado Hidalgo, small galleries and record shops in the arcades off Revolución, and big malls in Zona Río. Big Bear's Village offers fudge, bear souvenirs and outdoor outfitters, which is a pleasant hour and no more.

Tijuana is much cheaper. Street tacos, taxis and mid-range hotels cost little, and only the Revolución strip and the smarter Baja Med and wine-country tables approach international prices.

Big Bear can work for a group sharing a cabin midweek. On winter weekends and in school vacations, though, rates, lift tickets and equipment hire make it an expensive trip.

Tijuana has more on stage. The Centro Cultural concert hall is home to the Baja California orchestra, and a local opera company stages an open-air performance each year. Around the city you will hear norteño bands in cantinas, mariachis at Plaza Santa Cecilia and the Nortec sound in the Calle Sexta bars.

Big Bear offers community theatre, free summer concerts by the lake and the Bavarian bands of its autumn Oktoberfest.

Big Bear is the more restful of the two, though it has no spa tradition. What it offers is calm: a deck among the pines, a private hot tub and clear, quiet midweek days, at least away from the busy winter weekends. Tijuana is loud and traffic-heavy, its health trade is medical rather than restorative, and anyone looking for real quiet heads out to the vineyard estates.