Routes Planner Features Updates

Login or Signup

Login or Signup

Login or Signup

Bike touring routes & trails

Baltimore County

Grave Run – Prettyboy Dam loop from Hoshall's Island

Bike touring routes & trails

Baltimore County

Grave Run – Prettyboy Dam loop from Hoshall's Island

Hard

4.7

(1140)

14,379

riders

Grave Run – Prettyboy Dam loop from Hoshall's Island

02:19

32.7km

620m

Cycling

Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels. The starting point of the route is right next to a parking lot.

Last updated: August 18, 2026

Waypoints

A

Start point

Parking

1

9.28 km

Grave Run

Highlight • River

Grave Run is one of many creeks that feeds the Prettyboy Reservoir. The little bay can be reached via multiple hiking trails that offer beautiful views of the water.

Tip by

2

28.0 km

Prettyboy Dam

Highlight • Monument

Prettyboy Dam is damming up 19 billion gallons at Prettyboy Reservoir. The reservoir provides more than 60% of Baltimore's drinking water and is owned by the city of Baltimore even though it's in the county.

Tip by

B

32.7 km

End point

Parking

Way Types & Surfaces

Way Types

18.8 km

13.6 km

278 m

< 100 m

Surfaces

16.9 km

15.3 km

301 m

205 m

Sign up to see more specific route details

Sign up for free

Elevation

Nothing selected – click and drag below to see the stats for a specific part of the route.

Highest point (240 m)

Lowest point (150 m)

Sign up to see more specific route details

Sign up for free

Weather

Powered by Foreca

Today

Sunday 11 October

18°C

14°C

98 %

Additional weather tips

Max wind speed: 27.0 km/h

to get more detailed weather forecasts along your route

Comments

Want to know more?

Sign up for a free komoot account to join the conversation.

Sign up for free

Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.

Navigate Send to Phone

Move start point

Embed on a website

Report an Issue

Report restricted access

Nearby routes

5.0

102

Torrey C. Brown Rail Trail

02:48h

41.9km

410m

5.0

12

Prettyboy Reservoir loop

01:39h

24.9km

360m

9

Gwynns Falls and Jones Falls Trail Loop

02:48h

44.6km

430m

5.0

7

Loch Raven Reservoir loop

01:40h

26.1km

320m

5

East Coast Greenway & Northern Maryland Loop from Butler

03:07h

50.2km

520m

4.0

1

Dulaney Valley loop

04:24h

69.9km

800m

Gunpowder Falls loop — Cockeysville

03:50h

59.6km

790m

4.8

109

Torrey C. Brown Rail Trail – Monkton Train Station loop from Hunt Valley

02:07h

32.7km

190m

4.8

105

Monkton Train Station – Torrey C. Brown Rail Trail loop from White Hall

02:06h

32.6km

190m

5.0

44

Sparks Bank Nature Center – Torrey C. Brown Rail Trail loop from Glencoe

01:10h

17.3km

130m

4.2

82

Torrey C. Brown Rail Trail – Monkton Train Station loop from Hunt Valley

01:27h

22.2km

140m

40

Waterfall – Torrey C. Brown Rail Trail loop from White Hall

02:14h

34.9km

210m