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Alternatt Lake, Tremi Co Park Public Water Access Site

Treml County Park offers a carry-in public water access to Altermatt Lake with over 4,000 feet of shoreline on the lake's east shore. This 18.

2-acre day-use park features a picnic shelter ($20 reservation fee), open play areas, hiking trails, and shore fishing opportunities in a quiet rural setting.

Access is available April 15 - October 15, located approximately 2 miles south-southwest of Leavenworth off County Road 100 and 329th Avenue.


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Find excellent fishing spots, easy access to boat ramps, and all the amenities you need for a memorable day. Your adventure starts here.

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