From Wikitravel

The Rocky Mountains region of Washington has a lot to see and do.

• Colville, seat of Stevens County
• Newport, seat of Pend Oreille County
• Republic, seat of Ferry County

• Lake Roosevelt National Recreation Area - The mighty Columbia River has drawn people to its waters for over 9,000 years

Understand

For our purposes, Rocky Mountains region consists of Ferry, Stevens, and Pend Oreille counties.

• Crawford State Park, (11 miles north of Metaline (on SR 31?), follow signs for park), [1]. A day-use park which is mostly about seeing Gardner Cave, the third-largest limestone cave in Washington.  edit
• Manresa Grotto, (On the Kalispel Reservation on the east side of the Pend Oreille River near Usk). A very unusual-looking cave, sacred to the Kalispel people. Perhaps formed by a long-ago inland sea.  edit
• Roosevelt Grove of Ancient Cedars, [2]. A grove of magestic ancient cedar trees, preserved by Teddy Roosevelt. Located on Washington side of the border, but logically closer related to the Priest Lake, Idaho.  edit
• Lions Excursion Train, (Depot is at the end of Main Street in Ione), ☎ +1-(509) 442-5466 (lions@povn.com), [3]. A sightseeing train ride in classic passenger carriages and open cars, hugging cliffs and crossing trestles along the Pend Oreille river. Spectacular sights. Takes about 1.5 hours. Operated by the local Lions club.  edit