Situated along the Snake River, Celebration Park (managed by Canyon County) was established as Idaho's only archaeological park in 1989. A walk through the basalt deposited by the Bonneville flood reveals petroglyphs 100 to 10,000 years old. Visitors learn about the Paleolithic and Archaic lifeways and can enjoy throwing a dart with an atlatl. Experience a walking tour of historic Guffey Railroad Bridge and be captivated by southwest Idaho's early mining and railroad history. A non-motorized trail along the north bank of the Snake River provides access upstream to Halverson Lake, a small pond nestled along the canyon wall. Other non-motorized trails lead through the Bonneville Flood boulders scattered across Halverson Bar. These trails converge into one trail and can be followed up stream approximately 10 miles toward Swan Falls Dam. This trail opens to motorized use about halfway to the dam. Guffey Bridge, located at the downstream edge of Celebration Park, provides one of the few crossings over the Snake River. The one-time railroad bridge built in 1897 has been restored for non-motorized use and provides access to primitive trails on the south side of the river.