As temperatures flux in February, the state parks and historic sites in Georgia are offering an array of activities for the men and women who love the outdoors. Events range from an examination of the hemlock to a Valentine’s Day hike.

Events are as follows:

What: Valentine’s Day Tour and Overlook Hike at Buck Shoals

When: 2-4 p.m. Friday

Where: Smithgall Woods State Park, Helen

How much: $5 parking

What: GPS Basics with a handheld device

When: 11 a.m. to 5 p.m. Saturday

Where: Smithgall Woods State Park, Helen

How much: $30 plus $5 parking. Preregister.