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Quadricentennial Challenge 
  
Catskills Live! Trails & Wilderness Association issues a challenge to all — 
venture forth and seek all 15 Quadricentennial Challenge geocaches.  Go to many great places 
throughout Ulster County — visit the shores of the Hudson, feel the cool air in an historic 
cement mine, enjoy our small parks, ride on our rail trails, summit two Catskill peaks, and savor 
the breath-taking view from Gertrude's Nose in Minnewaska State Park Preserve.  Bask in our county's 
treasures with family and friends, exercise your body, and build lasting memories.  Specially minted 
commemorative Quadricentennial geocoins are being released from Challenge geocaches in celebration of 
the 400th anniversary of the exploration of the Hudson by Henry Hudson.  All 
15 Challenge caches will be available this summer. Funding for the Challenge was provided by Ulster 
County and the Hudson River Valley Greenway. 
Minnewaska Lake 
  
 
Minnewaska Lake is the third largest of the five crowning jewels of the northern Shawangunk Ridge.  
The lake's crystal clear waters, seventy-eight feet at their deepest point, are bounded on the 
northeast and northwest by sheer white, lichen-dappled, cliffs.  Until about 1922, all five of the 
Shawangunk sky lakes had abundant fish populations before acid precipitation lowered the pH of water 
in four of the five ridge top lakes.  Minnewaska Lake was known to have had perch, pickerel, trout, 
and catfish.  Abundant perch and pickerel from Minnewaska and Awosting lakes were once sold in 
Ellenville fish markets.  Today, the public enjoys 34-acre Minnewaska Lake for swimming and its many 
carriage roads that boast numerous scenic vistas and bountiful blueberries. 
  
  
In our intense focus on the recreational uses of Minnewaska Lake we often overlook its real 
significance.  Few people realize that during drought periods, Minnewaska Lake provides the only 
continuous water source to both the Coxing Kill (south of the lake) and the Peters Kill (north of 
the lake).  It is their life blood.  Whereas lake overflow at the southern end of the lake is 
obvious during times of high lake levels, lake water also seeps through rocky talus debris and soil 
here and at the northern lake shore at the beach area.   Water that flows from the lake's southern 
outlet soon sinks into fractures in the bedrock until it surfaces some 3,000 feet away in springs 
that form the headwaters of Fountain Brook.  Without this water, the down stream Coxing Kill could 
not support its fish population.  Water that flows through talus at the northern beach end of the 
lake reappears far down the hillside in Bruin Springs that, in turn, form Bruin Stream that flows to 
the Peters Kill.  During dry periods, there is no water flow in the Peters Kill upstream of this 
confluence — thus, at these times, the entire Peters Kill flow originates in Minnewaska Lake.  
If the level of Minnewaska Lake were to be artificially lowered by more than a few feet during 
drought periods, downstream recreational and water supply use of both the Peters Kill and Coxing Kill 
would cease.  Over 25 years ago, environmental groups worked hard to protect and preserve Minnewaska 
Lake from overdevelopment, demonstrating that concerned and caring citizens can successfully protect 
the environment. 
  
Archaeologic excavations in rock shelters in the Shawangunk Mountains have documented evidence of 
Native American occupation dating back some 10,000 years. Similarly, excavations in the Wallkill and 
Hudson valleys establish occupation before and at the time of Hudson's voyage up the river named for 
him. 
 
 
  
 
The Cache
  
 
Access to the cache is largely via carriage roads near Minnewaska Lake.  The cache is a 2-liter 
cylindrical poly bottle hidden in an opening under a small boulder about 25 feet from the Castle 
Point Carriageway.  Nearby, there is a sweeping view of the Catskill Mountain escarpment. High 
Point Mountain is the peak to your right.  Bring a picnic to enjoy on the glacially striated
bedrock table next to this cache.  
The cache is filled with kid-friendly items and, initially, 
three NYS Quadricentennial Challenge geocoins designed to travel throughout the   world. 
This cache 
was approved by the Park Service on  6-2-09 (Permit #: MSPP09-02).
  
Parking
  
 
Minnewaska State Park Preserve is west of  New Paltz, NY along Rt. 44/55.  The 2008 NY-NJ Trail 
Conference Map 105 (Shawangunk Trails - North) illustrates access routes well.  Parking for this 
cache is available at either the Minnewaska Lake parking area next to Minnewaska Lake or at the Lake 
Awosting parking area.  The upper lakeside parking area is much closer to the cache and avoids a 
lengthy uphill trek.  The park opens at 9 am and there is a $6 parking fee.
 
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