About us

Jay Sandelin and son Tarn, owner and operators of Rock & Pond, have been designing and creating custom ponds, new roads, building sites, rock walls, subdivisions, and general land development for over 35 years

Jay has been a licensed blaster since 1992. His oldest son Tarn is also a licensed blaster and alongside his father, specializes in the design and development of custom ponds of all sizes. Whether for your own personal enjoyment, or for valuable resale, we can enhance your properties finest points.

We will assist thru the entire process… the design, necessary permits, the construction, finish contouring, grading, planting and landscaping.

We design and build waterfalls, water features, walkways, docks, bridges, islands, we can even hide the neighbors and privatize your personal paradise thru creative contouring! Rock & Pond is the seasonal spring/summer/fall business that compliments the Sandelin’s winter line of work owning and operating Great Northern Powder Guides, Montana’s only Cat Skiing operation!