Loading Spotwander…Find the spots worth the detour.

Notable fort · Boulder, Colorado

Grant Mine

Grant Mine is a fort in Boulder, Colorado.

Grant Mine: crowds and conditions

Typical pattern: moderate; weekends busier. Been there recently? Post today’s status and it shows here for the next traveller.

Status options for this fort: Open, good conditions · Very crowded · Approach road bad · Closed / not accessible.

Best time to visit Grant Mine

Season: October to February; carry water in summer.

Busiest days: Weekends and long holidays.

Crowd: Moderate; weekends busier.

Typical week: Mon light · Tue light · Wed light · Thu light · Fri light · Sat busy · Sun busy.

How to reach Grant Mine — distance from nearby cities

    Coordinates: 40.05360, -105.39472. Road distances are estimates; the road-trip planner uses real routes and adds stops worth the detour.

    Places to visit near Grant Mine

    See everything within a day’s drive of Grant Mine

    Other forts & heritage near Grant Mine

    All forts & heritage in Colorado

    Map data © OpenStreetMap contributors (ODbL)

    Frequently asked

    Is Grant Mine open today?

    No visitor has reported the opening status for Grant Mine yet. Typical pattern: moderate; weekends busier. Busiest: Weekends and long holidays.

    What is the best time to visit Grant Mine?

    October to February; carry water in summer. Moderate; weekends busier.

    What are the places to visit near Grant Mine?

    Nearby: Monument Hill (viewpoint, 1 km), Little Church in the Pines (church, 2 km), Flagstaff Mountain (viewpoint, 12 km), Left Hand Canyon (viewpoint, 12 km), Peak to Peak Scenic Byway (viewpoint, 13 km), Pine Street Church (church, 13 km).

    Is Grant Mine worth visiting?

    Grant Mine is listed as a notable fort in Colorado on Spotwander.