Question: The York River is a 13 mile stream in southeast Maine that flows southeast to the Atlantic Ocean at what town, which is home to three 18-hole golf clubs, four sandy beaches, and Mount Agamenticus?

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Nuwara Eliya Golf Club: The Nuwara Eliya Golf Club is one of the oldest Golf Clubs in Sri Lanka.  Established in the late 19th century, it is located in the hill station of Nuwara Eliya.  It is an 18-hole golf course.

Riverton, New York: Riverton, New York was a planned community built in 1973 in the town of Henrietta, New York, along the Genesee River.  Riverton was seventh of the thirteen communities receiving Federal guarantee assistance from HUD as part of their New Communities Program created by the Urban Growth and New Community Development Act of 1970.  $12 million was earmarked for the community.  Riverton was supposed to encompass a 2335 acre land area bordered on the north by the New York State Thruway, on the west by the Genesee River, on the east by East River Rd., and on the south by the Rush-Henrietta town line, with some development continuing east along Erie Station Rd.  Original plans called for construction to occur for a 16-year period and eventually house over 25,000 people, with the community including an 18-hole golf course, 12 swimming pools, 3 artificial lakes, a marina on the Genesee, and commercial and industrial centers.  However, only a small portion of this was built along Scottsville-West Henrietta Rd.  Created as part of the community were Riverton Knolls, a moderately priced townhouse subdivision, the Riverton Golf Club, a small 9-hole golf course, and the Riverton Park, which included a playground, baseball diamond, river front benches, walking trail, and a volleyball court.  Also nestled in a bend in the Genesee was a 28 acre forested nature park.

Saucon Valley Country Club: Saucon Valley Country Club is a country club located near Allentown and Bethlehem, Pennsylvania, in the United States.  The club's facilities include three 18-hole golf courses and a six-hole beginners course.  The Old Course has hosted six United States Golf Association (USGA) tournaments, including the 1992 and 2000 U.S. Senior Opens.  In 2009, it was the site of the U.S. Women's Open.  Saucon Valley Country Club is also the home site of the Lehigh University golf team.  Two of Saucon Valley's 18-hole courses have made appearances on golf magazine rankings of top courses.

Seboeis Lake: Seboeis Lake extends from Lake View Plantation, Maine, north into Maine township 4, range 9.  The lake is enclosed by rocky headlands and sandy beaches and contains several pine-covered islands.  The inlet at the north end receives several tributaries from Long A township including Dean Brook, Jordan Brook, and West Seboeis Stream.  Bear Brook flows into the northwest corner of the lake, and Northwest Pond overflows into the west side of the Lake.  West Branch Sebois Stream overflows the east side of the lake through Dudley Rips into Endless Lake; and Endless Lake overflow reaches the Piscataquis River 15 mi downstream, just 3 mi upstream of the Piscataquis and Penobscot River confluence at Howland.

York River (Maine): The York River is a 13 mi stream in southeast Maine, United States.  It is tidal for over half of its length.  It rises at York Pond in Eliot, and conjoined by brooks and creeks, feeds the tidal section.  The York River flows southeast to the Atlantic Ocean at York Harbor in the town of York.

York, Maine: York is a town in York County, Maine, United States, near the southern tip of the state.  The population in the 2010 census was 12,529.  Situated beside the Atlantic Ocean on the Gulf of Maine, York is a well-known summer resort town.  It is home to three 18-hole golf clubs, four sandy beaches, and Mount Agamenticus.  It includes the villages of York Village, York Harbor, York Beach and Cape Neddick.

Rattlesnake Creek (Kansas): Rattlesnake Creek is an approximately 95 mile stream that is a tributary to the Arkansas River in central Kansas.  The head of the stream is in northern Kiowa County and it flows northeast through Edwards and Stafford Counties before converging with the Arkansas River in Rice County.  The stream flows through Quivira National Wildlife Refuge dividing the refuge in half.  The stream was officially named Rattlesnake Creek in 1971 by the Department of Interior; before 1971 it was called either Rattlesnake Creek, Salt Creek, or West Fork Rattlesnake Creek.

Kananaskis Country Golf Course: Kananaskis Country Golf Course is a publicly accessible world-renowned 36-hole golf course situated in Kananaskis Country, a park system west of Calgary, Alberta, Canada in the foothills and front ranges of the Canadian Rockies which opened in 1983 at a cost of $25.5 million.  The golf course near Kananaskis Village, Alberta designed by the golf course architect Robert Trent Jones, consists of two 18-hole golf layouts, played beneath Mt.Lorette and Mt.Kidd, after which the courses are respectively named.  "Score Golf Magazine" has consistently ranked this facility as a top 100 course in Canada.  Kananaskis Country Golf Course is part of the collection of seven golf courses and resorts in Alberta, the Canadian Rockies Golf – "the most storied and recognized group of golf courses in Canada."  About sixty thousand rounds of golf were played there annually with eighty-five percent played by Albertans.  The golf course includes the pro-shop, club house, tournament centre and other golf course buildings which were valued at $15 million in 2015.  During the June 2013 Alberta floods, Kananaskis Country "sustained the most extensive damage in its 36-year history."  The Alberta government committed $18 million to rebuild the Course and to protect it from future flood damage.

Seacoast Region (New Hampshire): The Seacoast Region is the southeast area of the U.S. state of New Hampshire that includes the eastern portion of Rockingham County and the southern portion of Strafford County.  The region stretches 13 mi along the Atlantic Ocean from New Hampshire's border with Salisbury, Massachusetts to the Piscataqua River and New Hampshire's border with Kittery, Maine.  The shoreline is generally very rocky and rough in nature, although a few sandy beaches have been created using jetties/groins, particularly in the towns of Rye and Hampton.  The Seacoast Region stretches as far west as Epping.  Portsmouth, the largest municipality and only city in Rockingham County, serves as the cultural and commercial hub of the region.  Portsmouth has numerous historical landmarks and tourist attractions including Strawberry Banke, the Moffatt-Ladd House, the John Paul Jones House, and the Portsmouth Children's Museum, which moved to Dover in 2010.  The Seacoast Region was the first area of the state to be permanently settled by Europeans in the early 17th century.

Toney Penna: Toney G. Penna (January 15, 1908 – August 6, 1995) was an Italian-American professional golfer and designer of golf clubs and gear.  He won four events on the PGA Tour between 1937 and 1947.  He introduced new lines of golf clubs and was the holder of four patents for golf clubs.  Many of these clubs are considered collectors' items: some are still in production.  He also introduced the use of color to both clubs and to golf accessories, such as carrying bags.

Supporting paragraphs: York River (Maine) York, Maine
Answer: York