The idea of diverting water from the Colorado River on the Western Slope of the Continental Divide to the productive farmlands of the eastern plains had been a dream of planners as early as 1929.  Subsequently,  a long period of drought and the sagging economy of the “Great Depression” whetted demands for what became the largest trans-mountain diversion project ever built.

The Colorado-Big Thompson Project takes water from Grand Lake on the western side of the Continental Divide to the Big Thompson River on the east.  The water flows through a 13 mile tunnel beneath Rocky Mountain National Park.  In order to supply the residential and farming needs of Northeastern Colorado, the project was begun in 1938 and continued through the years of World War II.  The first water flowed though the tunnel, named for Senator Alva B. Adams, on June 23, 1947.

In order to assure an adequate supply from Grand Lake, a dam was built creating Shadow Mountain Reservoir.  A larger lake, Granby Reservoir was then built below, with a unique pumping plant that forces water into Shadow Mountain.  The Farr Pumping Plant cost over $9 million and provides an additional 700,000 of irrigated land to northeastern Colorado.  Further reservoirs were added, both to supplement the diversion and to compensate the water needs of Western Colorado.  These include Willow Creek and Windy Gap Reservoirs in Grand County.

While most legislators were enthusiastic about the project, U.S. Representative Edward Taylor was vehemently opposed to the reduction of water flowing down the Colorado River.  A compromise was reached in the creation of Green Mountain Reservoir (on the Blue River), which reserves water to replenish the Colorado River.   The city of Denver later claimed upstream water on the Blue River for the massive diversion project of Dillon Reservoir

Claims on the water of the Colorado River range from the fruit and wine regions of the Grand Valley in Colorado all the way to Los Angeles and Mexico.  It can be said that every snowflake which falls in Western Colorado had already been over-appropriated, especially during drought periods in the arid West.

Nestled on a quiet lane in Old Grand Lake City sits the intricately crafted home of Warren C. and Mary O’Brien Gregg, known today as the Spider House – a testament to a remarkable woodcraftsman and his tormented wife.

Warren (Watt to his friends) was a dreamer and in the 1870s he left his first wife and a young son in Wisconsin and headed for the Colorado Territory seeking his fortune in the mines of Gilpin County.  Upon returning to Wisconsin his first wife died of fever, leaving Warren a widower with a small son.  Holding tight to his dreams of the west, Warren eventually ended up in his native Indiana where he met and married 20 year-old Mary O’Brien, in 1884.   By 1888 Warren packed his new family into a prairie schooner and headed west.  Like so many other pioneer women before her, Mary bore a child along the trail, a second son whose short life would send Mary down a dark and tortured path. 

The family arrived in Middle Park late in the summer of 1888, built a small homestead on the eastern slope of the Stillwater drainage and the newborn died shortly thereafter.  Though the years would bring more children, Mary would never quite recover from the loss of her second son. They continued to scratch out a living in this harsh and isolated land, where winters were long and supplies were meager. 

Warren spent much of his time searching for game and exploring this new country. The Gregg’s moved numerous times, finally purchasing a plot of land from Old Judge Wescott on the west side of the lake.  Warren built his family an admirable house, with intricate detail and spider-like webs of wooden elements.  Despite the warmth and comfort of this new home, and the close proximity of neighbors, Mary’s depression deepened. 

Then on a sunny Sunday in 1904, while Warren was working in his woodshop and oldest son Lloyd was having Sunday dinner at Judge Westcott’s, Mary took a gun to her four remaining children and then turned the weapon on herself.  The children died instantly while Mary lingered on for four days.  The five victims of this tragedy, one girl, three boys and Mary herself are buried together in one grave in the Grand Lake Cemetery.

Warren lived in the Spider House for another 29 years. With his son Lloyd, he continued building homes and stone fireplaces.  He succumbed to heart failure in 1933.  Mary O’Brien Gregg finally found peace in the quiet grace of the little town cemetery surrounded by her children.  Almost a century later, as the tall pines whisper their mournful winter song, the Spider House still sits nestled on that quiet little lane.

Of all the leisure time activities available to the pioneers, dancing was the favorite. Dances were held in grand hotels that remained from the mining boom, such as the Fairview House and The Garrison House in Grand Lake. Quadrilles, a type of square dance, were popular at the time. A fiddler would provide the music and serve as the caller. These parties would start in the evening and last all night.

The formidable temperatures and great traveling distances were incentive for getting the most out of every gathering. Winter Sports have also always been a popular pastime. Skiing was introduced to the region during the winter of 1883. Snowshoeing and sleigh rides were also enjoyed. 1882 officially brought the arts to the Grand Lake area when the Dramatic Society was organized. A production of the well-known comedy "Our Boys" was the premiere performance.

Joseph Wescott was born in 1838 in Nova Scotia and reared in Iowa.  By 1865, he was in Middle Park, squatting, half-blind and semi-alcoholic, in Hot Sulphur Springs with his friend Charlie Utter.  

Having come to Colorado to get relief from rheumatism, he passed his time in creative writing, fishing, drinking, and shooting his revolver.  In 1868, after being induced to sell all of his claims of 160 acres around the hot springs, he left Hot Sulphur Springs to go to Grand Lake.

In 1870, a group of Arapahoe Indians arrived in the area and there is an unverified report that Wescott, Jack Sumner, and three fishermen killed “not less than five” of the Indians.  Soon after this incident, Wescott settled into developing a rustic resort with cabins, rafts, canoes, and skiffs on Grand Lake.

By 1879, he had three buildings on the West Shore. In July 1880, disaster struck when Edward Phillips Weber, an attorney, took over Wescott’s original filing as his own.  Weber claimed that there were “flaws in the filing” and forced Wescott out.

Nevertheless, on June 26, 1888, Wescott filed a plat for “Grand Lake City,” on the lake shore south from the inlet.  He designed the area for summer visitors rather than as a residential community. 

Wescott later wrote a famous poem about the legend of Grand Lake, and how the spirits of the lost Ute women and children can still be heard wailing on foggy mornings at the lake shore.