Question: What mountain can you see from Portland in the state where Frozen Run's county is located?

Knowledge 1: Frozen Run
Frozen Run is a tributary of Hemlock Creek in Columbia County, Pennsylvania, in the United States. It is approximately long and flows through Hemlock Township. The watershed of the stream has an area of . The stream flows through Frosty Valley and is also near a fault. It is designated as a coldwater fishery. Parts of the watershed are impaired due to siltation. The stream has several unnamed tributaries. [SEP] Knowledge 2: Socialist Party of Oregon (Columbia County, Oregon)
The Socialist Party of Oregon in Columbia County, Oregon began around the First Red Scare. The first year (1914) it went mainstream, the Socialist party had 27 more registered members than the Prohibition Party, who were some members of the Suffrage movement. The Socialist party was similar to the Progressive Party in the county, as it tried from the outskirts of government to make change. While Socialism failed its first year, it still received attention from the press who was aware of the October Revolution (1918) in Russia (Now the Soviet Union) by a similarly named government led by Vladimir Lenin. [SEP] Knowledge 3: Portland, Oregon
Though much of downtown Portland is relatively flat, the foothills of the Tualatin Mountains, more commonly referred to locally as the ``West Hills '', pierce through the northwest and southwest reaches of the city. Council Crest Park, commonly thought of as the highest point within city limits, is in the West Hills and rises to an elevation of 1,073 feet (327 m) The city's actual high point is a little - known and infrequently accessed point (1,180 feet) near Forest Park. The highest point east of the river is Mt. Tabor, an extinct volcanic cinder cone, which rises to 636 feet (194 m). Nearby Powell Butte and Rocky Butte rise to 614 feet (187 m) and 612 feet (187 m), respectively. To the west of the Tualatin Mountains lies the Oregon Coast Range, and to the east lies the actively volcanic Cascade Range. On clear days, Mt. Hood and Mt. St. Helens dominate the horizon, while Mt. Adams and Mt. Rainier can also be seen in the distance.
Knowledge 1: Socialist Party of Oregon (Columbia County, Oregon)
The Socialist Party of Oregon in Columbia County, Oregon began around the First Red Scare. The first year (1914) it went mainstream, the Socialist party had 27 more registered members than the Prohibition Party, who were some members of the Suffrage movement. The Socialist party was similar to the Progressive Party in the county, as it tried from the outskirts of government to make change. While Socialism failed its first year, it still received attention from the press who was aware of the October Revolution (1918) in Russia (Now the Soviet Union) by a similarly named government led by Vladimir Lenin. [SEP] Knowledge 2: Portland, Oregon
Though much of downtown Portland is relatively flat, the foothills of the Tualatin Mountains, more commonly referred to locally as the ``West Hills '', pierce through the northwest and southwest reaches of the city. Council Crest Park, commonly thought of as the highest point within city limits, is in the West Hills and rises to an elevation of 1,073 feet (327 m) The city's actual high point is a little - known and infrequently accessed point (1,180 feet) near Forest Park. The highest point east of the river is Mt. Tabor, an extinct volcanic cinder cone, which rises to 636 feet (194 m). Nearby Powell Butte and Rocky Butte rise to 614 feet (187 m) and 612 feet (187 m), respectively. To the west of the Tualatin Mountains lies the Oregon Coast Range, and to the east lies the actively volcanic Cascade Range. On clear days, Mt. Hood and Mt. St. Helens dominate the horizon, while Mt. Adams and Mt. Rainier can also be seen in the distance. [SEP] Knowledge 3: Frozen Run
Frozen Run is a tributary of Hemlock Creek in Columbia County, Pennsylvania, in the United States. It is approximately long and flows through Hemlock Township. The watershed of the stream has an area of . The stream flows through Frosty Valley and is also near a fault. It is designated as a coldwater fishery. Parts of the watershed are impaired due to siltation. The stream has several unnamed tributaries.
Knowledge 1: Frozen Run
Frozen Run is a tributary of Hemlock Creek in Columbia County, Pennsylvania, in the United States. It is approximately long and flows through Hemlock Township. The watershed of the stream has an area of . The stream flows through Frosty Valley and is also near a fault. It is designated as a coldwater fishery. Parts of the watershed are impaired due to siltation. The stream has several unnamed tributaries. [SEP] Knowledge 2: Socialist Party of Oregon (Columbia County, Oregon)
The Socialist Party of Oregon in Columbia County, Oregon began around the First Red Scare. The first year (1914) it went mainstream, the Socialist party had 27 more registered members than the Prohibition Party, who were some members of the Suffrage movement. The Socialist party was similar to the Progressive Party in the county, as it tried from the outskirts of government to make change. While Socialism failed its first year, it still received attention from the press who was aware of the October Revolution (1918) in Russia (Now the Soviet Union) by a similarly named government led by Vladimir Lenin. [SEP] Knowledge 3: List of territorial entities where English is an official language
The following is a list of territories where English is an official language, that is, a language used in citizen interactions with government officials. In 2015, there were 54 sovereign states and 27 non-sovereign entities where English was an official language. Many country subdivisions have declared English an official language at the local or regional level.

Answer: Tualatin Mountains