Denmark is a town in Oxford County, Maine, United States.
 The population was 1,148 at the 2010 census.
 A number of ponds and lakes are located within the town.
Geneva Glen Camp is a co-educational, non-profit, residential summer camp located in Indian Hills, Colorado.
 It was founded in 1922 at its current site.
 The mission statement of the camp reads, "The mission of Geneva Glen is to develop character, values and leadership, nurtured by a camp family that thrives on its diversity, friendships and meaningful traditions."
 Geneva Glen is reputed for the high rate of return for its campers and staff.
 Geneva Glen is committed to children coming home happy and full of wonderful memories.
 Its website states that, on average each year, 70% of campers and 65% of staff return from the previous summer.
 Each summer Geneva Glen holds five overnight sessions independent of each other, as well as a sixth shortened session in December for its older campers.
 These are discussed in the "Sessions" section below.
Cyo Camp is a residential summer camp located in Brown County Indiana.
 It is operated by the Catholic Youth Organization and offers 9 one-week sessions for children during the summer.
Camp Nawaka was a non-profit co-ed residential summer camp located in the Berkshires, East Otis, Massachusetts.
 The property was formerly a boys' swimming camp known as Camp Aquatic, which operated during the 1940s and closed in the mid-1950s.
 Nawaka opened in 1967 and closed following the summer of 2009.
 Nawaka offered sessions for children between the ages of 8 and 16.
 The camp was owned and run by Camp Fire.
 It was a small camp of approximately 40 staff members and up to 120 campers,the last director was Nicole, and some of the last counselers included Andrew, Mike, Pam, and Brian(Dukie).
 The camp centered on its own 16 acre private pond, Larkum Pond.
 The camp ran from the end of June until the end of August.
 The last session was called color week where the camp was split into two competing teams, this week was often the most popular.
 The facility was available to rent during late spring and early fall.
 Campers aged 13–15 were able to sign up for the "Senior Camp" program, where they slept in tents and often traveled outside of the camp.
 Another option was "Adventure Camp," where campers slept in cabins or dorms (for younger campers.)
 Nawaka campers developed a strong attachment, returned for multiple years, and remained active as adult alumni.
YMCA Camp Minikani is a residential summer camp located along the shores of Lake Amy Belle in Hubertus, in Washington County, Wisconsin, United States.
 YMCA was established in 1919 by the Milwaukee YMCA.
 Minikani is also home to one of the cleanest and purest lakes in Wisconsin, Mud Lake.
 At its conception, Minikani served as a summer camp for boys living in the Milwaukee area who came for two weeks to learn camp skills and participated in competitive athletic events.
 Minikani has since transformed to a co-ed camp that has shifted from competitive activities to challenge by choice to eliminate the emotional pressure of competitions.
 Minikani still offers its traditional summer programs such as the Pioneer Unit, the Indian Unit, and the Explorer Unit, and has since begun to offer day camp and equestrian camps.
Big Doe Camp was a boys' residential summer camp located on Big Doe Lake not far from the village of Burk's Falls, Ontario.
Camp Kupugani is a multicultural summer camp for young women and young men, in girls-only, boys-only and blended sessions, with an emphasis on teaching them to recognize and eliminate stereotypes.
 "Kupugani" is a Zulu concept that means "To raise oneself up" It is located in Leaf River, Illinois and is the only private, residential summer camp facility in the United States under black ownership.
 It is also an American Camp Association member.
Helen Herz Cohen (1912 – March 23, 2006) was the Director of Camp Walden, an all-girls residential summer camp located in Denmark, Maine.
 She founded The Main Idea, an annual nonprofit camp for economically disadvantaged girls.
St. Bridgid's Camp or St. Bridgid's Summer Camp or sometimes commonly misspelled St. Bridgit's Summer Camp is a small summer camp located near on the shores of Lac Manitou located on Highway 105 and is around 75 km from Ottawa, Ontario.
 The camp has cabins in which the campers can sleep in each having 9 bunk beds(For 8 campers and 1 counselor for each cabin).
 It also has a deck with benches for easy gatherings and a basketball hoop.
 Swimming is probably by far the camp's best feature, with the camp allowing the children to swim in Lac Manitou and lifeguards that stand by for safety.
 The camp also has a "world-famous" mud-pit where the children (given the mud-pit is open) can drench themselves in mud until they are all grey and can then go and wash off in the lake.
 It also has an area with picnic tables and a dining hall, which is where breakfast, lunch and supper are eaten.
 The dining hall also has washrooms.
 Registration is available around Late April to Early May.
 During the camp's two peak months(July and August), the camp features a month where only boys are allowed to attend (July), and a girl's month (August), when only girls are allowed to attend.
YMCA Wanakita is a camp located on Koshlong Lake near Haliburton in central Ontario, Canada.
 It is run by the YMCA of Hamilton, Burlington and Brantford and attracts campers from throughout Ontario and sometimes internationally.
 "Wanakita" is an Ojibwa word meaning "let's work together".
 Wanakita is most active as a residential summer camp, however it also offers day camping, winter camping and family camping.
 As of 2012, the camp estimates that it has been home to over 200,000 individuals since it was founded in 1953.

Question: Helen Herz Cohen (1912 – March 23, 2006) was the Director of Camp Walden, an all-girls residential summer camp located in Denmark, a town in Oxford County, Maine, in which country?
Answer: United States