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The vast majority of visitors to Big Bend venture no farther than the high-country basin in the Chisos, which is understandable, since you don't see 7,800-foot mountains in Texas every day. But you haven't done Big Bend unless you've seen the river and the desert too -- and driving past in your car doesn't count. Even a short walk in the desert can be full of revelations. Take in at least four or five of the sights listed below and you'll come away with a pretty good idea of what this vast chunk of real estate is all about.

The Chisos Mountains Basin
Three miles west of Panther Junction is the winding road that leads into the Chisos. As you climb more than two thousand feet up Green Gulch, the vegetation rapidly changes from desert to forest. Seven miles ahead lies the basin, an alpine valley sandwiched between the dramatic Window--a V-shaped gap in the almost-continuous ridge that rings the basin--on the west and the blocklike Casa Grande dominating the eastern horizon. Visiting the basin is an absolute must, not only for the scenery but also because this is where you'll find the only lodging and restaurant in the park, as well as a gift shop, convenience store, ranger station, campground, amphitheater, and stables.

  Hot Springs
Built in two stages by a somewhat optimistic tourist operator named J.O. Langford between 1909 and 1927, the hot springs are easily reached from the turnoff near Rio Grande Village, only a two-mile drive down an improved dirt road. Pick up a self-guiding trail booklet for 25 cents in the Hot Springs parking lot, then start walking. It's a quarter mile to the springs, past abandoned stone structures that once housed a post office and a motel, a small grove of palms (an excellent picnic spot), and Indian pictographs etched in a small cliff above the river. At the end of the path adjacent to the river are what's left of the lower walls of the bathhouse and a small shallow sitting area where 105-degree mineral water flows at a rate of 250,000 gallons a day before tumbling into the much colder Rio Grande. The water attracts not only visitors but also a handful of area residents who swear by its salubrious effects. If you want solitude, go early in the morning.

Santa Elena Canyon
The parking lot at the confluence of the Rio Grande and Terlingua Creek provides a close-up look directly into this dramatic gaping gash, with its sheer 1,500-foot limestone walls. The trail beginning at the parking lot, about 1.7 miles round trip, is among the best in the park. It crosses mostly dry Terlingua Creek, then climbs a series of improved stair-step switchbacks (with handrails) to a wide ledge high above the river. The trail drops to river level along a reed-choked sandy vega littered with giant boulders before petering out. If you take only one hike in the park, this is the one. Allow two hours.

Boquillas Canyon
The initial part of the hike from the parking lot--over a bare, rocky hill and down to the river, then through a cutbank path--is unremarkable. But once inside the canyon, the trail rewards hikers with magnificent views. When it comes to the play of light on rocks, especially in the afternoon, nothing in the park beats the Boquillas palisades. Extra bonus: the massive wind-blown dune inside the canyon that is perfect for sand surfing. Allow two hours.

Grapevine Hills
A six-mile drive down an improved dirt road suitable for ordinary cars brings you to a dry canyon on the desert floor. After a one-mile hike through a valley of rock-strewn rubble, the trail ends with a short, steep scramble to a scene that appears to have been created by an infant Godzilla: a huge boulder precariously teetering atop two smaller slabs, one of the great photo opportunities in the park. Allow one and one half hours.

Dagger Flat
One of the unknown delights of Big Bend is this self-guided auto tour on a well-graded dirt road. It offers the most extensive introduction to the desert plant community seen through a windshield. Stop at the beginning of the road in the northeastern part of the park and get a guidebook for 50 cents. The seven-mile road ends at a loop in the middle of a bizarre thicket of giant dagger yuccas, some more than ten feet tall, which should be at peak bloom in late March. Although the loop area is identified as Dagger Flat, the actual flat is at least a quarter mile away, according to topographical maps. Allow about an hour, two hours if you plan to walk.

Dugout Wells
Just off the main paved road to Rio Grande Village is another underrated destination that is a quickie introduction to the desert on foot. Hardwood trees, a windmill, and abundant wildlife that show up to drink from a spring around sunrise and sunset suggest an oasis. The adjacent Chihuahuan Desert Nature Trail, a half-mile walk with interpretive signs identifying and describing representative desert plant life, underscores the harsh reality surrounding the spring. Allow 45 minutes.

The Window
A twenty-foot opening between solid rock polished slick by water erosion, the Window is where all the rain and snowmelt in the Chisos Basin drains out. Although the rock is too steep and slick for anyone to risk peeking over the edge, you can see the desert below through a narrow rock formation appropriately called the Gunsight. But you don't need to get up close to the Window to appreciate it as a natural stage for sunsets in the basin. One of the best perspectives is from the bench at the end of Window View Trail, three tenths of a mile from the convenience store. The Window Trail, a two- to two-and-one-half-mile hike (depending upon where you start) to the actual Window opening, follows a tree-shaded drainage and a running creek to the pouroff. Allow two and one half to three and one half hours for the hike and remember that the walk back is uphill.

The Lost Mine Trail
Though a steeper grade than the Window Trail, this is the least strenuous hike in the high Chisos. The trail follows a series of shaded switchbacks to several breathtaking views of the basin below and Casa Grande above. Its popularity is evidenced by the recently expanded parking area, where guide booklets are available for 25 cents. Deer, kangaroo rats, mountain bluebirds, giant ravens, and even peregrine falcons circling in the sky are easily spotted from the trail; sightings of black bear, which have recently returned to the park, have been reported here. In March, this is also a prime location for observing migrating hummingbirds. The short trail to the Juniper Canyon overlook is about two hours round trip; the whole trip takes about four hours.

The South Rim
The view from the top of the Chisos is the grandest in the park and perhaps in all of Texas; unfortunately, it is also one of the hardest to reach, requiring either an all-day horseback ride or an arduous twelve- to fifteen-mile hike, depending on which route you take. The reward at the precipice is a series of incredible vistas that are some of the most expansive on the North American continent, extending more than 200 miles on a clear day. From here, the eye can effortlessly follow the river on its entire 107-mile, three-canyon bend through the park. The Laguna Meadow Trail is the more gradual route up, although it is one and one half miles longer than the treacherously steep Pinnacles Trail, which is best negotiated on the way down. Plan to pass through Boot Springs for a respite by a placid brook. This quiet refuge is a feeding station for Colima warblers, which are rarely seen in the U.S.