Cape Disappointment State Park (360/642-3029) has an expanded interpretive center.
Fort Clatsop National Memorial (503/861-2471) offers a replica of the Corps' fort, plus living-history programs.
The Lewis & Clark Explorer Train (Fri-Mon, May 28-Sep 30; 800/872-7245) runs from Portland to Astoria.
Sacajawea State Park (509/545-2361) displays expedition exhibits.
In the Columbia Gorge, hike up 845-foot Beacon Rock.
Or join 2-hour cruises on the stern-wheeler Columbia Gorge ($20; 800/643-1354) or the American West Steamboat Company's 7- to 11-night cruises (from $1,493; 800/434-1232).
The listings below follow the Lewis and Clark trail through Washington and Oregon.
Red Lion Hotel. 279 rooms from $104. 2525 N. 20th Ave.; www.redlion.com/pasco or (509) 547-0701. Locations also in Kennewick and Richland.
Cedars Restaurant. Steaks right on the Columbia. $$$, dinner only. 355 Clover Island Dr., Kennewick; www.cedarsrest.com or (509) 582-2143.
NEAR GOLDENDALE, WA
Maryhill State Park. 20 tent sites from $16, 50 RV sites from $22; first come, first served. Off U.S. 97 and State 14; www.parks.wa.gov or (509) 773-5007.
HOOD RIVER, OR
Columbia Gorge Hotel. 1920s hotel perched on bluff above the Columbia. 40 rooms from $179. 4000 Westcliff Dr.; www.columbiagorgehotel.com or (800) 345-1921.
Hood River Hotel. Restored 1913 hotel downtown. 41 rooms and suites from $69. 102 Oak St.; www.hoodriverhotel.com or (800) 386-1859.
Memaloose State Park. 66 tent sites from $12, 44 RV sites from $16; Mar-Oct. Along I-84, 11 miles west of The Dalles; www.oregonstateparks.org or (800) 551-6949.
Abruzzo Italian Grill. Flawless Italian fare. $$, dinner only; closed Sun-Mon. 1810 Cascade Ave.; (541) 386-7779.
NORTH BONNEVILLE, WA
Beacon Rock State Park. 29 campsites alongside trail landmark. From $16; first come, first served. Milepost 35 on State 14; www.parks.wa.gov or (509) 427-8265.
WHITE SALMON, WA
Inn of the White Salmon. A pretty 16-room inn. From $106. 172 W. Jewett Blvd.; www.innofthewhitesalmon.com or (800) 972-5226.
Dolce Skamania Lodge. This 1993 lodge has an 18-hole golf course and trails through 175 wooded acres. 254 rooms from $129. 1131 S.W. Skamania Lodge Way; www.skamanialodge.dolce.com or (800) 221-7117.
McMenamins Edgefield. This 1911 brick complex also holds a winery and extensive gardens. 114 rooms from $85. 2126 S.W. Halsey St.; www.mcmenamins.com or (800) 669-8610.
The Governor Hotel. Glorious Lewis and Clark mural in the lobby makes this historic hotel a good choice. 100 rooms from $185. 611 S.W. 10th Ave.; www.govhotel.com or (503) 224-3400.
Sanctuary Restaurant. Sophisticated dining in a restored 1906 church. $$; dinner only Thu-Sun. 794 U.S. 101; www.sanctuaryrestaurant.com or (360) 777-8380.