Table Mountains (North and South): Apophyllite & Aragonite Rockhounding in Jefferson County, Colorado

Updated June 2026

Table Mountains (North and South) is a mapped rockhounding spot in Jefferson County, Colorado. Reported finds include apophyllite, aragonite, calcite, halloysite, zeolite. Below: coordinates, access notes, nearby spots, and trip-planning links.

Quick details

Access: Public area
County: Jefferson County
State: Colorado
Nearest road: North Table Loop Trail
Postcode: 80403
Coordinates: 39.77399, -105.20094

Geology at Table Mountains (North and South)

This spot sits on ground mapped as Colluvium that formed within roughly the last 12,000 years. Loose deposits like these are float-collecting ground: erosion keeps moving durable rocks and minerals into gravel bars, cutbanks, and washes.

Mapped unit: Colluvium
Age: < 1 Ma (Holocene)
Elevation: 6,020 ft

Geologic mapping via Macrostrat and the underlying state geological survey maps (CC BY 4.0). Bedrock at the surface can vary within a mapped unit.

Best time to visit Table Mountains (North and South)

Best months: January to November. Typical highs run 87°F in midsummer and 45°F in midwinter, with winter lows near 23°F.

Climate normals: NOAA 1991-2020 monthlies, RALSTON RSVR station (4 mi away).

Land & collecting status

Generally open to casual rockhounding

Most public-tagged spots sit on BLM, U.S. Forest Service, or other federal land where reasonable hand collecting of common rocks and minerals is allowed. Confirm posted rules and active mining claims before you dig.

Public-land rules vary by agency, season, and field office. The RockHoundR app pulls live BLM, USFS, NPS, and tribal overlays so you can see exactly which agency manages the ground at this spot.

Sources & verification

Spot details combine the public RockHoundR location dataset, normalized mineral labels, agency land-status checks in the app, and community submissions. Coordinates are approximate until verified in the field.

Sources: RockHoundR public spot dataset, app land overlays, and local agency review before each trip.

Found at Table Mountains (North and South)

Each chip opens all spots that produce that material; the encyclopedia link opens the full ID and field guide.

Nearby rockhounding spots

Other rockhounding spots within driving distance of Table Mountains (North and South).

Table Mountains (North and South) FAQ

Where is Table Mountains (North and South)?+

Table Mountains (North and South) is in Jefferson County, Colorado, at 39.77399, -105.20094. Nearest road: North Table Loop Trail.

What rocks and minerals can you find at Table Mountains (North and South)?+

Table Mountains (North and South) is reported to produce Apophyllite, Aragonite, Calcite, Halloysite, Zeolite.

Is collecting allowed at Table Mountains (North and South)?+

Generally open to casual rockhounding. Most public-tagged spots sit on BLM, U.S. Forest Service, or other federal land where reasonable hand collecting of common rocks and minerals is allowed. Confirm posted rules and active mining claims before you dig. Always confirm current rules with the managing agency before a trip.

What tools should I bring to Table Mountains (North and South)?+

A rock hammer, sturdy gloves, safety glasses, and a collecting bag cover the basics here. Add a spray bottle: wet rock shows color and pattern that dry rock hides.

When is the best time to visit Table Mountains (North and South)?+

The most comfortable months at Table Mountains (North and South) are January to November.

How do I get to Table Mountains (North and South)?+

Open the directions link to navigate to 39.77399, -105.20094 in Google Maps. The nearest road is North Table Loop Trail.

More rockhounding in Colorado

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Open Table Mountains (North and South) on the map

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